diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index c9efaab2..cced540c 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -54,7 +54,7 @@ jobs:
           REDIS_LIBS: liblz4-dev, liblzf-dev, libzstd-dev
 
       - name: Set Framework version
-        run: composer config version "2.x-dev"
+        run: composer config version "4.x-dev"
 
       - name: Install dependencies
         uses: nick-fields/retry@v3
@@ -116,7 +116,7 @@ jobs:
           coverage: none
 
       - name: Set Framework version
-        run: composer config version "2.x-dev"
+        run: composer config version "4.x-dev"
 
       - name: Install dependencies
         uses: nick-fields/retry@v3
@@ -185,7 +185,7 @@ jobs:
           coverage: none
 
       - name: Set Framework version
-        run: composer config version "2.x-dev"
+        run: composer config version "4.x-dev"
 
       - name: Install dependencies
         uses: nick-fields/retry@v3
diff --git a/composer.json b/composer.json
index 5a56d953..3fb56640 100644
--- a/composer.json
+++ b/composer.json
@@ -65,7 +65,7 @@
   },
   "extra": {
     "branch-alias": {
-      "dev-master": "3.x-dev"
+      "dev-master": "4.x-dev"
     }
   },
   "suggest": {