diff --git a/composer.json b/composer.json
index 0b4e0a3..e2d9d1b 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
   "prefer-stable": true,
   "extra": {
     "branch-alias": {
-      "dev-master": "1.0.x-dev"
+      "dev-master": "0.20.x-dev"
     }
   }
 }