diff --git a/.github/workflows/ci-php.yaml b/.github/workflows/ci-php.yaml
index f6f76d6..36f1aca 100644
--- a/.github/workflows/ci-php.yaml
+++ b/.github/workflows/ci-php.yaml
@@ -51,7 +51,7 @@ jobs:
           php-version: ${{ matrix.php }}
 
       - name: Install PHP Dependencies
-        uses: ramsey/composer-install@3.1.1
+        uses: ramsey/composer-install@4.0.0
 
       - name: Verify MariaDB connection
         run: |
diff --git a/.github/workflows/phpcs.yaml b/.github/workflows/phpcs.yaml
index ac3b689..cf08251 100644
--- a/.github/workflows/phpcs.yaml
+++ b/.github/workflows/phpcs.yaml
@@ -27,7 +27,7 @@ jobs:
           php-version: 8.3
 
       - name: Install PHP Dependencies
-        uses: ramsey/composer-install@3.1.1
+        uses: ramsey/composer-install@4.0.0
 
       - name: Add error matcher
         run: echo "::add-matcher::$(pwd)/.github/checkstyle-problem-matcher.json"