diff --git a/.github/workflows/format.yml b/.github/workflows/format.yml
index f7f694a..1de5114 100644
--- a/.github/workflows/format.yml
+++ b/.github/workflows/format.yml
@@ -21,7 +21,7 @@ jobs:
             coverage: none
 
       - name: Install composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
 
       - name: Create cache directory
         run: mkdir -p /tmp/format
diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index eef5ea9..aa4c2cc 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -20,7 +20,7 @@ jobs:
                   coverage: none
 
             - name: Install composer dependencies
-              uses: ramsey/composer-install@v3
+              uses: ramsey/composer-install@v4
 
             - name: Run PHPStan
               run: ./vendor/bin/phpstan --error-format=github