diff --git a/Changelog.md b/Changelog.md
index a06564a..9e2609b 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -2,6 +2,12 @@
 
 The change log describes what is "Added", "Removed", "Changed" or "Fixed" between each release.
 
+## 0.12.1
+
+### Fixed
+
+- Allow null values in CheckMissingCommand
+
 ## 0.12
 
 ### Added
diff --git a/composer.json b/composer.json
index bafc819..5730912 100644
--- a/composer.json
+++ b/composer.json
@@ -60,7 +60,7 @@
     "prefer-stable": true,
     "extra": {
         "branch-alias": {
-            "dev-master": "0.11-dev"
+            "dev-master": "0.12-dev"
         }
     }
 }