diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index d602fd4..b0ad6d6 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -40,7 +40,7 @@ jobs:
           php-version: "${{ matrix.php-version }}"
           coverage: none
 
-      - uses: ramsey/composer-install@v3
+      - uses: ramsey/composer-install@v4
         with:
           dependency-versions: highest
 
diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index 50a6dfd..c2c873f 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -27,7 +27,7 @@ jobs:
           php-version: "${{ matrix.php-version }}"
           coverage: none
 
-      - uses: ramsey/composer-install@v3
+      - uses: ramsey/composer-install@v4
         with:
           dependency-versions: highest