diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3d95114a..6c2406c4 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.
 
-## 3.3.1 - TBD
+## 3.3.1 - 2017-11-27
 
 ### Added
 
diff --git a/composer.json b/composer.json
index 31ec6991..ee406423 100644
--- a/composer.json
+++ b/composer.json
@@ -35,7 +35,7 @@
     "extra": {
         "branch-alias": {
             "dev-master": "3.3-dev",
-            "dev-develop": "3.4-dev"
+            "dev-develop": "4.0-dev"
         }
     },
     "autoload-dev": {