diff --git a/CHANGELOG.md b/CHANGELOG.md
index f8d992a..e53a2e7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 All notable changes to this project will be documented in this file, in reverse chronological order by release.
 
-## 1.4.0 - TBD
+## 1.4.0 - 2017-11-27
 
 ### Added
 
@@ -31,24 +31,6 @@ All notable changes to this project will be documented in this file, in reverse
 
 - Nothing.
 
-## 1.3.1 - TBD
-
-### Added
-
-- Nothing.
-
-### Deprecated
-
-- Nothing.
-
-### Removed
-
-- Nothing.
-
-### Fixed
-
-- Nothing.
-
 ## 1.3.0 - 2016-07-11
 
 ### Added
diff --git a/composer.json b/composer.json
index 04576ba..74cc966 100644
--- a/composer.json
+++ b/composer.json
@@ -44,8 +44,8 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.3-dev",
-            "dev-develop": "1.4-dev"
+            "dev-master": "1.4-dev",
+            "dev-develop": "1.5-dev"
         }
     },
     "scripts": {
diff --git a/composer.lock b/composer.lock
index 23a55da..04a1679 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "7f94817d869a6f78bbb081081c37a2be",
+    "content-hash": "16d2ffa462ec4ffd35bfab252b005025",
     "packages": [
         {
             "name": "psr/container",