diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8a592ed5..29f092d5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [3.0.0-alpha1] - 2018-07-06
 ### Added
 - Add new method `getOriginalDictionary` on TraceableDictionary
 - New feature: if you use the `CategoryDictionaryInterface` you'll be able to sort dictionaries by using
diff --git a/composer.json b/composer.json
index b6f10821..7f98b163 100644
--- a/composer.json
+++ b/composer.json
@@ -53,7 +53,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "2.1.x-dev"
+            "dev-master": "3.0.x-dev"
         }
     },
     "suggest": {