diff --git a/CHANGELOG.md b/CHANGELOG.md
index c1b2adb..f818b2a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 # CHANGELOG
 
 ## Unreleased
+
+## v1.13.1
 * Fixed a bug to retrieve an entry when raw_mode is enabled.
 
 ## v1.13.0
diff --git a/contentful/__init__.py b/contentful/__init__.py
index ef393d1..5a833c5 100644
--- a/contentful/__init__.py
+++ b/contentful/__init__.py
@@ -11,6 +11,6 @@
 from .content_type_field import ContentTypeField  # noqa: F401
 
 
-__version__ = "1.13.0"
+__version__ = "1.13.1"
 __author__ = "Contentful GmbH"
 __email__ = "bhushan.lodha@external.contentful.com"
diff --git a/docs/.buildinfo b/docs/.buildinfo
index a64f523..ac6e7ba 100644
--- a/docs/.buildinfo
+++ b/docs/.buildinfo
@@ -1,4 +1,4 @@
 # Sphinx build info version 1
 # This file hashes the configuration used when building these files. When it is not found, a full rebuild will be done.
-config: 318fd6b5ef852372c31e8cde7e8935f9
+config: e7a48687961991cbff5a961514d41a04
 tags: 645f666f9bcd5a90fca523b33c5a78b7
diff --git a/docs/_modules/contentful/array.html b/docs/_modules/contentful/array.html
index b00661c..73ee707 100644
--- a/docs/_modules/contentful/array.html
+++ b/docs/_modules/contentful/array.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful.array &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful.array &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="../../_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../../',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
diff --git a/docs/_modules/contentful/asset.html b/docs/_modules/contentful/asset.html
index 36f6c1c..da55e56 100644
--- a/docs/_modules/contentful/asset.html
+++ b/docs/_modules/contentful/asset.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful.asset &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful.asset &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="../../_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../../',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
@@ -84,7 +84,7 @@ <h1>Source code for contentful.asset</h1><div class="highlight"><pre>
 
         <span class="k">return</span> <span class="n">url</span></div>
 
-<div class="viewcode-block" id="Asset.incoming_references"><a class="viewcode-back" href="../../contentful.html#contentful.asset.Asset.incoming_references">[docs]</a>    <span class="k">def</span> <span class="nf">incoming_references</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">client</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">query</span><span class="o">=</span><span class="p">{}):</span>
+<div class="viewcode-block" id="Asset.incoming_references"><a class="viewcode-back" href="../../contentful.html#contentful.asset.Asset.incoming_references">[docs]</a>    <span class="k">def</span> <span class="nf">incoming_references</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">client</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">query</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
         <span class="sd">&quot;&quot;&quot;Fetches all entries referencing the asset</span>
 
 <span class="sd">        API Reference: https://www.contentful.com/developers/docs/references/content-delivery-api/#/reference/search-parameters/links-to-asset</span>
@@ -97,6 +97,8 @@ <h1>Source code for contentful.asset</h1><div class="highlight"><pre>
 <span class="sd">            &gt;&gt;&gt; entries = asset.incoming_references(client)</span>
 <span class="sd">            [&lt;Entry[cat] id=&#39;happycat&#39;&gt;]</span>
 <span class="sd">        &quot;&quot;&quot;</span>
+        <span class="k">if</span> <span class="n">query</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
+            <span class="n">query</span> <span class="o">=</span> <span class="p">{}</span>
 
         <span class="k">if</span> <span class="n">client</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
             <span class="k">return</span> <span class="kc">False</span>
diff --git a/docs/_modules/contentful/client.html b/docs/_modules/contentful/client.html
index 9d31429..7154ceb 100644
--- a/docs/_modules/contentful/client.html
+++ b/docs/_modules/contentful/client.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful.client &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful.client &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="../../_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../../',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
@@ -262,10 +262,14 @@ <h1>Source code for contentful.client</h1><div class="highlight"><pre>
 
         <span class="k">try</span><span class="p">:</span>
             <span class="n">query</span><span class="o">.</span><span class="n">update</span><span class="p">({</span><span class="s1">&#39;sys.id&#39;</span><span class="p">:</span> <span class="n">entry_id</span><span class="p">})</span>
-            <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get</span><span class="p">(</span>
+            <span class="n">response</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_get</span><span class="p">(</span>
                 <span class="bp">self</span><span class="o">.</span><span class="n">environment_url</span><span class="p">(</span><span class="s1">&#39;/entries&#39;</span><span class="p">),</span>
                 <span class="n">query</span>
-            <span class="p">)[</span><span class="mi">0</span><span class="p">]</span>
+            <span class="p">)</span>
+
+            <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">raw_mode</span><span class="p">:</span>
+                <span class="k">return</span> <span class="n">response</span>
+            <span class="k">return</span> <span class="n">response</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
         <span class="k">except</span> <span class="ne">IndexError</span><span class="p">:</span>
             <span class="k">raise</span> <span class="n">EntryNotFoundError</span><span class="p">(</span>
                 <span class="s2">&quot;Entry not found for ID: &#39;</span><span class="si">{0}</span><span class="s2">&#39;&quot;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">entry_id</span><span class="p">)</span>
diff --git a/docs/_modules/contentful/content_type.html b/docs/_modules/contentful/content_type.html
index 98bced0..0d26a48 100644
--- a/docs/_modules/contentful/content_type.html
+++ b/docs/_modules/contentful/content_type.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful.content_type &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful.content_type &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="../../_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../../',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
diff --git a/docs/_modules/contentful/content_type_cache.html b/docs/_modules/contentful/content_type_cache.html
index 0bb319d..c6baa18 100644
--- a/docs/_modules/contentful/content_type_cache.html
+++ b/docs/_modules/contentful/content_type_cache.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful.content_type_cache &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful.content_type_cache &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="../../_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../../',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
diff --git a/docs/_modules/contentful/content_type_field.html b/docs/_modules/contentful/content_type_field.html
index 73b20ce..62157ad 100644
--- a/docs/_modules/contentful/content_type_field.html
+++ b/docs/_modules/contentful/content_type_field.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful.content_type_field &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful.content_type_field &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="../../_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../../',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
diff --git a/docs/_modules/contentful/content_type_field_types.html b/docs/_modules/contentful/content_type_field_types.html
index 26ca847..59e6475 100644
--- a/docs/_modules/contentful/content_type_field_types.html
+++ b/docs/_modules/contentful/content_type_field_types.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful.content_type_field_types &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful.content_type_field_types &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="../../_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../../',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
diff --git a/docs/_modules/contentful/deleted_asset.html b/docs/_modules/contentful/deleted_asset.html
index e483c9e..70cdd76 100644
--- a/docs/_modules/contentful/deleted_asset.html
+++ b/docs/_modules/contentful/deleted_asset.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful.deleted_asset &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful.deleted_asset &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="../../_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../../',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
diff --git a/docs/_modules/contentful/deleted_entry.html b/docs/_modules/contentful/deleted_entry.html
index 961dd6c..f6e0529 100644
--- a/docs/_modules/contentful/deleted_entry.html
+++ b/docs/_modules/contentful/deleted_entry.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful.deleted_entry &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful.deleted_entry &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="../../_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../../',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
diff --git a/docs/_modules/contentful/entry.html b/docs/_modules/contentful/entry.html
index 8b228a7..f800fbb 100644
--- a/docs/_modules/contentful/entry.html
+++ b/docs/_modules/contentful/entry.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful.entry &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful.entry &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="../../_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../../',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
@@ -160,7 +160,7 @@ <h1>Source code for contentful.entry</h1><div class="highlight"><pre>
             <span class="n">max_depth</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">_max_depth</span>
         <span class="p">)</span><span class="o">.</span><span class="n">build</span><span class="p">()</span>
 
-<div class="viewcode-block" id="Entry.incoming_references"><a class="viewcode-back" href="../../contentful.html#contentful.entry.Entry.incoming_references">[docs]</a>    <span class="k">def</span> <span class="nf">incoming_references</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">client</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">query</span><span class="o">=</span><span class="p">{}):</span>
+<div class="viewcode-block" id="Entry.incoming_references"><a class="viewcode-back" href="../../contentful.html#contentful.entry.Entry.incoming_references">[docs]</a>    <span class="k">def</span> <span class="nf">incoming_references</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">client</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">query</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
         <span class="sd">&quot;&quot;&quot;Fetches all entries referencing the entry</span>
 
 <span class="sd">        API Reference: https://www.contentful.com/developers/docs/references/content-delivery-api/#/reference/search-parameters/links-to-asset</span>
@@ -174,6 +174,8 @@ <h1>Source code for contentful.entry</h1><div class="highlight"><pre>
 <span class="sd">            &gt;&gt;&gt; entries = entry.incoming_references(client)</span>
 <span class="sd">            [&lt;Entry[cat] id=&#39;happycat&#39;&gt;]</span>
 <span class="sd">        &quot;&quot;&quot;</span>
+        <span class="k">if</span> <span class="n">query</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
+            <span class="n">query</span> <span class="o">=</span> <span class="p">{}</span>
 
         <span class="k">if</span> <span class="n">client</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
             <span class="k">return</span> <span class="kc">False</span>
diff --git a/docs/_modules/contentful/errors.html b/docs/_modules/contentful/errors.html
index 2dab395..d2a4447 100644
--- a/docs/_modules/contentful/errors.html
+++ b/docs/_modules/contentful/errors.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful.errors &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful.errors &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="../../_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../../',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
diff --git a/docs/_modules/contentful/locale.html b/docs/_modules/contentful/locale.html
index 99c2f41..08b67fa 100644
--- a/docs/_modules/contentful/locale.html
+++ b/docs/_modules/contentful/locale.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful.locale &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful.locale &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="../../_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../../',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
diff --git a/docs/_modules/contentful/resource.html b/docs/_modules/contentful/resource.html
index 7d66a0c..f0e3a71 100644
--- a/docs/_modules/contentful/resource.html
+++ b/docs/_modules/contentful/resource.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful.resource &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful.resource &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="../../_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../../',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
@@ -213,7 +213,7 @@ <h1>Source code for contentful.resource</h1><div class="highlight"><pre>
 
     <span class="nd">@property</span>
     <span class="k">def</span> <span class="nf">locale</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
-        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sys</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;locale&#39;</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
+        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">sys</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">&#39;locale&#39;</span><span class="p">)</span>
 
     <span class="k">def</span> <span class="nf">_locale</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
         <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">locale</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">default_locale</span>
diff --git a/docs/_modules/contentful/resource_builder.html b/docs/_modules/contentful/resource_builder.html
index a42e5d8..a0304b2 100644
--- a/docs/_modules/contentful/resource_builder.html
+++ b/docs/_modules/contentful/resource_builder.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful.resource_builder &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful.resource_builder &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="../../_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../../',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
diff --git a/docs/_modules/contentful/space.html b/docs/_modules/contentful/space.html
index 0a1a046..0cbb278 100644
--- a/docs/_modules/contentful/space.html
+++ b/docs/_modules/contentful/space.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful.space &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful.space &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="../../_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../../',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
diff --git a/docs/_modules/contentful/sync_page.html b/docs/_modules/contentful/sync_page.html
index 826c4b1..1485b85 100644
--- a/docs/_modules/contentful/sync_page.html
+++ b/docs/_modules/contentful/sync_page.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful.sync_page &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful.sync_page &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="../../_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../../',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
diff --git a/docs/_modules/contentful/utils.html b/docs/_modules/contentful/utils.html
index fb641b6..43ed7e6 100644
--- a/docs/_modules/contentful/utils.html
+++ b/docs/_modules/contentful/utils.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful.utils &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful.utils &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="../../_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="../../_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../../',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
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         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
diff --git a/docs/_modules/index.html b/docs/_modules/index.html
index 8d6018c..daceb8a 100644
--- a/docs/_modules/index.html
+++ b/docs/_modules/index.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>Overview: module code &#8212; Contentful 1.13.0 documentation</title>
+    <title>Overview: module code &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="../_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    '../',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
         COLLAPSE_INDEX: false,
         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
diff --git a/docs/contentful.html b/docs/contentful.html
index 169e48f..9aff4b7 100644
--- a/docs/contentful.html
+++ b/docs/contentful.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful package &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful package &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    './',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
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         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
@@ -84,7 +84,7 @@ <h3>contentful.array<a class="headerlink" href="#contentful-array" title="Permal
 <p>API Reference: <a class="reference external" href="https://www.contentful.com/developers/docs/references/content-delivery-api/#/reference/assets">https://www.contentful.com/developers/docs/references/content-delivery-api/#/reference/assets</a></p>
 <dl class="method">
 <dt id="contentful.asset.Asset.incoming_references">
-<code class="descname">incoming_references</code><span class="sig-paren">(</span><em>client=None</em>, <em>query={}</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/contentful/asset.html#Asset.incoming_references"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#contentful.asset.Asset.incoming_references" title="Permalink to this definition">¶</a></dt>
+<code class="descname">incoming_references</code><span class="sig-paren">(</span><em>client=None</em>, <em>query=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/contentful/asset.html#Asset.incoming_references"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#contentful.asset.Asset.incoming_references" title="Permalink to this definition">¶</a></dt>
 <dd><p>Fetches all entries referencing the asset</p>
 <p>API Reference: <a class="reference external" href="https://www.contentful.com/developers/docs/references/content-delivery-api/#/reference/search-parameters/links-to-asset">https://www.contentful.com/developers/docs/references/content-delivery-api/#/reference/search-parameters/links-to-asset</a>
 :param client Client instance
@@ -748,7 +748,7 @@ <h3>contentful.content_type_cache<a class="headerlink" href="#contentful-content
 <p>API Reference: <a class="reference external" href="https://www.contentful.com/developers/docs/references/content-delivery-api/#/reference/entries">https://www.contentful.com/developers/docs/references/content-delivery-api/#/reference/entries</a></p>
 <dl class="method">
 <dt id="contentful.entry.Entry.incoming_references">
-<code class="descname">incoming_references</code><span class="sig-paren">(</span><em>client=None</em>, <em>query={}</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/contentful/entry.html#Entry.incoming_references"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#contentful.entry.Entry.incoming_references" title="Permalink to this definition">¶</a></dt>
+<code class="descname">incoming_references</code><span class="sig-paren">(</span><em>client=None</em>, <em>query=None</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/contentful/entry.html#Entry.incoming_references"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#contentful.entry.Entry.incoming_references" title="Permalink to this definition">¶</a></dt>
 <dd><p>Fetches all entries referencing the entry</p>
 <p>API Reference: <a class="reference external" href="https://www.contentful.com/developers/docs/references/content-delivery-api/#/reference/search-parameters/links-to-asset">https://www.contentful.com/developers/docs/references/content-delivery-api/#/reference/search-parameters/links-to-asset</a></p>
 <p>:param client Client instance
diff --git a/docs/genindex.html b/docs/genindex.html
index 196b4eb..2583a69 100644
--- a/docs/genindex.html
+++ b/docs/genindex.html
@@ -6,13 +6,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>Index &#8212; Contentful 1.13.0 documentation</title>
+    <title>Index &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    './',
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         HAS_SOURCE:  true,
diff --git a/docs/index.html b/docs/index.html
index 0699b05..9ee01f4 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -5,13 +5,13 @@
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   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful.py - Contentful Python Delivery SDK &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful.py - Contentful Python Delivery SDK &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    './',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
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         FILE_SUFFIX: '.html',
         HAS_SOURCE:  true,
diff --git a/docs/modules.html b/docs/modules.html
index 790e355..98949aa 100644
--- a/docs/modules.html
+++ b/docs/modules.html
@@ -5,13 +5,13 @@
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   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>contentful &#8212; Contentful 1.13.0 documentation</title>
+    <title>contentful &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    './',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
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         HAS_SOURCE:  true,
diff --git a/docs/objects.inv b/docs/objects.inv
index e90190d..4147fd0 100644
Binary files a/docs/objects.inv and b/docs/objects.inv differ
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index 88ba2ec..1448469 100644
--- a/docs/py-modindex.html
+++ b/docs/py-modindex.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>Python Module Index &#8212; Contentful 1.13.0 documentation</title>
+    <title>Python Module Index &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    './',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
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         HAS_SOURCE:  true,
diff --git a/docs/search.html b/docs/search.html
index a487ee5..2249365 100644
--- a/docs/search.html
+++ b/docs/search.html
@@ -5,13 +5,13 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    <title>Search &#8212; Contentful 1.13.0 documentation</title>
+    <title>Search &#8212; Contentful 1.13.1 documentation</title>
     <link rel="stylesheet" href="_static/alabaster.css" type="text/css" />
     <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
     <script type="text/javascript">
       var DOCUMENTATION_OPTIONS = {
         URL_ROOT:    './',
-        VERSION:     '1.13.0',
+        VERSION:     '1.13.1',
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         HAS_SOURCE:  true,
