diff --git a/Gemfile.lock b/Gemfile.lock
index fdcb997..448d2c0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -44,7 +44,7 @@ GEM
       thread_safe (~> 0.3, >= 0.3.1)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
-    builder (3.2.2)
+    builder (3.2.4)
     byebug (3.5.1)
       columnize (~> 0.8)
       debugger-linecache (~> 1.2)
@@ -70,13 +70,14 @@ GEM
       execjs
     coffee-script-source (1.9.1)
     columnize (0.9.0)
+    concurrent-ruby (1.1.7)
     database_cleaner (1.3.0)
     debug_inspector (0.0.2)
     debugger-linecache (1.2.0)
     descendants_tracker (0.0.4)
       thread_safe (~> 0.3, >= 0.3.1)
     diff-lcs (1.2.5)
-    equalizer (0.0.9)
+    equalizer (0.0.11)
     erubis (2.7.0)
     execjs (2.3.0)
     factory_girl (4.4.0)
@@ -90,15 +91,12 @@ GEM
     formatador (0.2.5)
     globalid (0.3.3)
       activesupport (>= 4.1.0)
-    grape (0.10.1)
+    grape (1.1.0)
       activesupport
       builder
-      hashie (>= 2.1.0)
-      multi_json (>= 1.3.2)
-      multi_xml (>= 0.5.2)
+      mustermann-grape (~> 1.0.0)
       rack (>= 1.3.0)
       rack-accept
-      rack-mount
       virtus (>= 1.0.0)
     guard (2.12.3)
       formatador (>= 0.2.4)
@@ -112,11 +110,11 @@ GEM
     guard-rspec (4.3.1)
       guard (~> 2.1)
       rspec (>= 2.14, < 4.0)
-    hashie (3.4.0)
     hike (1.2.3)
     hitimes (1.2.2)
-    i18n (0.7.0)
-    ice_nine (0.11.1)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
+    ice_nine (0.11.2)
     jbuilder (2.2.7)
       activesupport (>= 3.0.0, < 5)
       multi_json (~> 1.2)
@@ -124,7 +122,7 @@ GEM
       rails-dom-testing (~> 1.0)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.2)
+    json (1.8.6)
     launchy (2.4.3)
       addressable (~> 2.3)
     listen (2.8.5)
@@ -139,9 +137,12 @@ GEM
     method_source (0.8.2)
     mime-types (2.4.3)
     mini_portile (0.6.2)
-    minitest (5.5.1)
-    multi_json (1.10.1)
-    multi_xml (0.5.5)
+    minitest (5.14.2)
+    multi_json (1.15.0)
+    mustermann (1.1.1)
+      ruby2_keywords (~> 0.0.1)
+    mustermann-grape (1.0.1)
+      mustermann (>= 1.0.0)
     nenv (0.2.0)
     nokogiri (1.6.6.2)
       mini_portile (~> 0.6.0)
@@ -152,11 +153,9 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
       slop (~> 3.4)
-    rack (1.6.0)
+    rack (1.6.13)
     rack-accept (0.4.5)
       rack (>= 0.4)
-    rack-mount (0.8.3)
-      rack (>= 1.0.0)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.0)
@@ -209,6 +208,7 @@ GEM
       rspec-mocks (~> 3.1.0)
       rspec-support (~> 3.1.0)
     rspec-support (3.1.2)
+    ruby2_keywords (0.0.2)
     rubyzip (1.1.7)
     sass (3.4.12)
     sass-rails (5.0.1)
@@ -243,18 +243,18 @@ GEM
       sprockets (>= 2.8, < 4.0)
     sqlite3 (1.3.10)
     thor (0.19.1)
-    thread_safe (0.3.4)
+    thread_safe (0.3.6)
     tilt (1.4.1)
     timers (4.0.1)
       hitimes
     turbolinks (2.5.3)
       coffee-rails
-    tzinfo (1.2.2)
+    tzinfo (1.2.8)
       thread_safe (~> 0.1)
     uglifier (2.7.0)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
-    virtus (1.0.4)
+    virtus (1.0.5)
       axiom-types (~> 0.1)
       coercible (~> 1.0)
       descendants_tracker (~> 0.0, >= 0.0.3)