diff --git a/CHANGELOG.md b/CHANGELOG.md
index 24d391a..7198563 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-Version 4.1.2-dev
+Version 4.2.0-dev
 -----------------
 
 ### Added
diff --git a/composer.json b/composer.json
index 12e8458..ed1030e 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
     "bin": ["bin/php-parse"],
     "extra": {
         "branch-alias": {
-            "dev-master": "4.1-dev"
+            "dev-master": "4.2-dev"
         }
     }
 }