diff --git a/.github/workflows/qa.yml b/.github/workflows/qa.yml
index 769a0f2..99e1a38 100644
--- a/.github/workflows/qa.yml
+++ b/.github/workflows/qa.yml
@@ -44,7 +44,7 @@ jobs:
       # Verify the package can be installed succesfully.
       # @link https://github.com/marketplace/actions/install-php-dependencies-with-composer
       - name: Install Composer dependencies
-        uses: ramsey/composer-install@3cf229dc2919194e9e36783941438d17239e8520 # 3.1.1
+        uses: ramsey/composer-install@65e4f84970763564f46a70b8a54b90d033b3bdda # 4.0.0
         with:
           # Bust the cache at least once a month - output format: YYYY-MM.
           custom-cache-suffix: $(date -u "+%Y-%m")