diff --git a/CHANGELOG.md b/CHANGELOG.md
index 737e9fe..1d81cd5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-Version 2.1.1-dev
+Version 3.0.0-dev
 -----------------
 
 Nothing yet.
diff --git a/UPGRADE-3.0.md b/UPGRADE-3.0.md
new file mode 100644
index 0000000..82487fb
--- /dev/null
+++ b/UPGRADE-3.0.md
@@ -0,0 +1,4 @@
+Upgrading from PHP-Parser 2.x to 3.0
+====================================
+
+Nothing yet.
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 080d76a..74b9645 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
     "bin": ["bin/php-parse"],
     "extra": {
         "branch-alias": {
-            "dev-master": "2.1-dev"
+            "dev-master": "3.0-dev"
         }
     }
 }