diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6532cd0..f69301a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
-## [1.3.0] - 2018-03-XX
+## [1.3.0] - 2018-03-14
 ### Added
 
 - New method `instantiateWithArguments` on the instantiator (because most part of the time you want to add arguments)
diff --git a/composer.json b/composer.json
index 51c46d4..c0d8f91 100644
--- a/composer.json
+++ b/composer.json
@@ -30,7 +30,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.2.x-dev"
+            "dev-master": "1.3.x-dev"
         }
     }
 }