diff --git a/README.md b/README.md
index 219a028ed..697d9e747 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ Simple GET example of a user's profile.
 $fb = new Facebook\Facebook([
   'app_id' => '{app-id}',
   'app_secret' => '{app-secret}',
-  'default_graph_version' => 'v2.5',
+  'default_graph_version' => 'v2.6',
   //'default_access_token' => '{access-token}', // optional
 ]);
 
diff --git a/docs/Facebook.fbmd b/docs/Facebook.fbmd
index b081f0ed3..5a86e64f4 100644
--- a/docs/Facebook.fbmd
+++ b/docs/Facebook.fbmd
@@ -13,7 +13,7 @@ To instantiate a new `Facebook\Facebook` service, pass an array of configuration
 $fb = new Facebook\Facebook([
   'app_id' => '{app-id}',
   'app_secret' => '{app-secret}',
-  'default_graph_version' => 'v2.5',
+  'default_graph_version' => 'v2.6',
   // . . .
   ]);
 ~~~~
@@ -53,7 +53,7 @@ $fb = new Facebook\Facebook([
   'app_secret' => '{app-secret}',
   'default_access_token' => '{access-token}',
   'enable_beta_mode' => true,
-  'default_graph_version' => 'v2.5',
+  'default_graph_version' => 'v2.6',
   'http_client_handler' => 'guzzle',
   'persistent_data_handler' => 'memory',
   'url_detection_handler' => new MyUrlDetectionHandler(),
@@ -74,7 +74,7 @@ The default fallback access token to use if one is not explicitly provided. The
 Enable [beta mode](/docs/support/beta-tier/) so that request are made to the [https://graph.beta.facebook.com](https://graph.beta.facebook.com/) endpoint. Set to boolean `true` to enable or `false` to disable. Defaults to `false`.
 
 ### `default_graph_version` {#defaultversion}
-Allows you to overwrite the default Graph version number set in `Facebook\Facebook::DEFAULT_GRAPH_VERSION`. Set this as a string as it would appear in the Graph url, e.g. `v2.5`. Defaults to the [latest version of Graph](/docs/apps/changelog).
+Allows you to overwrite the default Graph version number set in `Facebook\Facebook::DEFAULT_GRAPH_VERSION`. Set this as a string as it would appear in the Graph url, e.g. `v2.6`. Defaults to the [latest version of Graph](/docs/apps/changelog).
 
 ### `http_client_handler` {#httpclient}
 Allows you to overwrite the default HTTP client.
@@ -326,7 +326,7 @@ public Facebook\FacebookResponse sendRequest(
 Sends a request to the Graph API.
 
 ~~~~
-$response = $fb->sendRequest('GET', '/me', [], '{access-token}', 'eTag', 'v2.5');
+$response = $fb->sendRequest('GET', '/me', [], '{access-token}', 'eTag', 'v2.6');
 ~~~~
 
 ## sendBatchRequest() {#send-batch-request}
diff --git a/docs/FacebookRequest.fbmd b/docs/FacebookRequest.fbmd
index 8f9948331..8e41c7318 100644
--- a/docs/FacebookRequest.fbmd
+++ b/docs/FacebookRequest.fbmd
@@ -211,6 +211,6 @@ $fb = new Facebook\Facebook(/* . . . */);
 $request = $fb->request('GET', '/me', ['fields' => 'id,name']);
 
 $url = $request->getUrl();
-// /v2.5/me?fields=id,name&access_token=token&appsecret_proof=proof
+// /v2.6/me?fields=id,name&access_token=token&appsecret_proof=proof
 ~~~~
 </card>
diff --git a/docs/example_access_token_from_canvas.fbmd b/docs/example_access_token_from_canvas.fbmd
index 9cfd361f3..b7e1b8076 100644
--- a/docs/example_access_token_from_canvas.fbmd
+++ b/docs/example_access_token_from_canvas.fbmd
@@ -13,7 +13,7 @@ A signed request will be sent to your app via the HTTP POST method within the co
 $fb = new Facebook\Facebook([
   'app_id' => '{app-id}',
   'app_secret' => '{app-secret}',
-  'default_graph_version' => 'v2.5',
+  'default_graph_version' => 'v2.6',
   ]);
 
 $helper = $fb->getCanvasHelper();
diff --git a/docs/example_access_token_from_javascript.fbmd b/docs/example_access_token_from_javascript.fbmd
index e2b049eb2..b13645425 100644
--- a/docs/example_access_token_from_javascript.fbmd
+++ b/docs/example_access_token_from_javascript.fbmd
@@ -32,7 +32,7 @@ In order to have the JavaScript SDK set a cookie containing a signed request (wh
     FB.init({
       appId: 'your-app-id',
       cookie: true, // This is important, it's not enabled by default
-      version: 'v2.5'
+      version: 'v2.6'
     });
   };
 
@@ -55,7 +55,7 @@ After the user successfully logs in, redirect the user (or make an AJAX request)
 $fb = new Facebook\Facebook([
   'app_id' => '{app-id}',
   'app_secret' => '{app-secret}',
-  'default_graph_version' => 'v2.5',
+  'default_graph_version' => 'v2.6',
   ]);
 
 $helper = $fb->getJavaScriptHelper();
diff --git a/docs/example_access_token_from_page_tab.fbmd b/docs/example_access_token_from_page_tab.fbmd
index b093ba6e7..bdcbe8160 100644
--- a/docs/example_access_token_from_page_tab.fbmd
+++ b/docs/example_access_token_from_page_tab.fbmd
@@ -13,7 +13,7 @@ Page tabs behave much like the app canvas. The PHP SDK provides a helper for pag
 $fb = new Facebook\Facebook([
   'app_id' => '{app-id}',
   'app_secret' => '{app-secret}',
-  'default_graph_version' => 'v2.5',
+  'default_graph_version' => 'v2.6',
   ]);
 
 $helper = $fb->getPageTabHelper();
diff --git a/docs/example_batch_request.fbmd b/docs/example_batch_request.fbmd
index eb364d635..ddd52bdf1 100644
--- a/docs/example_batch_request.fbmd
+++ b/docs/example_batch_request.fbmd
@@ -13,7 +13,7 @@ The following example assumes we have the following permissions granted from the
 $fb = new Facebook\Facebook([
   'app_id' => '{app-id}',
   'app_secret' => '{app-secret}',
-  'default_graph_version' => 'v2.5',
+  'default_graph_version' => 'v2.6',
   ]);
 
 // Since all the requests will be sent on behalf of the same user,
@@ -114,7 +114,7 @@ Since the requests sent in a batch are unrelated by default, we can make request
 $fb = new Facebook\Facebook([
   'app_id' => '{app-id}',
   'app_secret' => '{app-secret}',
-  'default_graph_version' => 'v2.5',
+  'default_graph_version' => 'v2.6',
   ]);
 
 $batch = [
diff --git a/docs/example_batch_upload.fbmd b/docs/example_batch_upload.fbmd
index 5d58f7629..f18f32b6c 100644
--- a/docs/example_batch_upload.fbmd
+++ b/docs/example_batch_upload.fbmd
@@ -15,7 +15,7 @@ The following example will upload two photos and one video.
 $fb = new Facebook\Facebook([
   'app_id' => '{app-id}',
   'app_secret' => '{app-secret}',
-  'default_graph_version' => 'v2.5',
+  'default_graph_version' => 'v2.6',
   ]);
 
 // Since all the requests will be sent on behalf of the same user,
diff --git a/docs/example_facebook_login.fbmd b/docs/example_facebook_login.fbmd
index 26f019db9..9a4e9b75b 100644
--- a/docs/example_facebook_login.fbmd
+++ b/docs/example_facebook_login.fbmd
@@ -19,7 +19,7 @@ In this example, the PHP script that generates the login link is called `/login.
 $fb = new Facebook\Facebook([
   'app_id' => '{app-id}',
   'app_secret' => '{app-secret}',
-  'default_graph_version' => 'v2.5',
+  'default_graph_version' => 'v2.6',
   ]);
 
 $helper = $fb->getRedirectLoginHelper();
@@ -38,7 +38,7 @@ echo '<a href="' . $loginUrl . '">Log in with Facebook!</a>';
 $fb = new Facebook\Facebook([
   'app_id' => '{app-id}',
   'app_secret' => '{app-secret}',
-  'default_graph_version' => 'v2.5',
+  'default_graph_version' => 'v2.6',
   ]);
 
 $helper = $fb->getRedirectLoginHelper();
diff --git a/docs/example_pagination_basic.fbmd b/docs/example_pagination_basic.fbmd
index 28521a476..629de2a29 100644
--- a/docs/example_pagination_basic.fbmd
+++ b/docs/example_pagination_basic.fbmd
@@ -15,7 +15,7 @@ In this example we'll pull five entries from a user's feed (assuming the user ap
 $fb = new Facebook\Facebook([
   'app_id' => '{app-id}',
   'app_secret' => '{app-secret}',
-  'default_graph_version' => 'v2.5',
+  'default_graph_version' => 'v2.6',
   ]);
 
 try {
diff --git a/docs/example_post_links.fbmd b/docs/example_post_links.fbmd
index 492e3bdff..5f052c2a1 100644
--- a/docs/example_post_links.fbmd
+++ b/docs/example_post_links.fbmd
@@ -15,7 +15,7 @@ For more information, see the documentation for [`Facebook\Facebook`](/docs/php/
 $fb = new Facebook\Facebook([
   'app_id' => '{app-id}',
   'app_secret' => '{app-secret}',
-  'default_graph_version' => 'v2.5',
+  'default_graph_version' => 'v2.6',
   ]);
 
 $linkData = [
diff --git a/docs/example_retrieve_user_profile.fbmd b/docs/example_retrieve_user_profile.fbmd
index 899e50322..67cdb7e7b 100644
--- a/docs/example_retrieve_user_profile.fbmd
+++ b/docs/example_retrieve_user_profile.fbmd
@@ -15,7 +15,7 @@ For more information, see the documentation for [`Facebook\Facebook`](/docs/php/
 $fb = new Facebook\Facebook([
   'app_id' => '{app-id}',
   'app_secret' => '{app-secret}',
-  'default_graph_version' => 'v2.5',
+  'default_graph_version' => 'v2.6',
   ]);
 
 try {
diff --git a/docs/example_upload_photo.fbmd b/docs/example_upload_photo.fbmd
index e7b90d180..d10c87b33 100644
--- a/docs/example_upload_photo.fbmd
+++ b/docs/example_upload_photo.fbmd
@@ -15,7 +15,7 @@ For more information, see the documentation for [`Facebook\Facebook`](/docs/php/
 $fb = new Facebook\Facebook([
   'app_id' => '{app-id}',
   'app_secret' => '{app-secret}',
-  'default_graph_version' => 'v2.5',
+  'default_graph_version' => 'v2.6',
   ]);
 
 $data = [
diff --git a/docs/example_upload_video.fbmd b/docs/example_upload_video.fbmd
index 3d7356939..11789e66e 100644
--- a/docs/example_upload_video.fbmd
+++ b/docs/example_upload_video.fbmd
@@ -18,7 +18,7 @@ The following example will upload a video in chunks using the [resumable upload]
 $fb = new Facebook\Facebook([
   'app_id' => '{app-id}',
   'app_secret' => '{app-secret}',
-  'default_graph_version' => 'v2.5',
+  'default_graph_version' => 'v2.6',
   ]);
 
 $data = [
diff --git a/docs/sdk_getting_started.fbmd b/docs/sdk_getting_started.fbmd
index 66db16475..bbb8330ec 100644
--- a/docs/sdk_getting_started.fbmd
+++ b/docs/sdk_getting_started.fbmd
@@ -113,7 +113,7 @@ Before we can send requests to the Graph API, we need to load our app configurat
 $fb = new Facebook\Facebook([
   'app_id' => '{app-id}',
   'app_secret' => '{app-secret}',
-  'default_graph_version' => 'v2.5',
+  'default_graph_version' => 'v2.6',
   ]);
 ~~~
 
diff --git a/src/Facebook/Facebook.php b/src/Facebook/Facebook.php
index 4204a4332..dd273e835 100644
--- a/src/Facebook/Facebook.php
+++ b/src/Facebook/Facebook.php
@@ -58,7 +58,7 @@ class Facebook
     /**
      * @const string Default Graph API version for requests.
      */
-    const DEFAULT_GRAPH_VERSION = 'v2.5';
+    const DEFAULT_GRAPH_VERSION = 'v2.6';
 
     /**
      * @const string The name of the environment variable that contains the app ID.