diff --git a/action.yml b/action.yml
index 1498ef4..7df6c17 100644
--- a/action.yml
+++ b/action.yml
@@ -87,7 +87,7 @@ runs:
             git log -1 --format="MESSAGE=%s" >> $GITHUB_OUTPUT
 
         - name: Install dependencies
-          uses: ramsey/composer-install@a8d0d959dab41457692a5e2041bd9b757a119e3f # 3.2.1
+          uses: ramsey/composer-install@65e4f84970763564f46a70b8a54b90d033b3bdda # 4.0.0
           env:
             COMPOSER_AUTH: ${{ github.event.client_payload.composerAuthentication.type == 'environment' && github.event.client_payload.composerAuthentication.environment || env.COMPOSER_AUTH }}
           with: