diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f4065a7..428a631 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ on:
 name: "CI"
 
 env:
-  COMPOSER_ROOT_VERSION: "5.0-dev"
+  COMPOSER_ROOT_VERSION: "5.1-dev"
 
 permissions:
   contents: read
diff --git a/composer.json b/composer.json
index 2e2c31c..292dba3 100644
--- a/composer.json
+++ b/composer.json
@@ -58,7 +58,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-main": "5.0-dev"
+            "dev-main": "5.1-dev"
         }
     }
 }