diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 973c498..7057bfa 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,7 +33,7 @@ jobs:
           tools: composer:v2
 
       - name: Cache Composer packages
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: vendor
           key: composer-${{ matrix.php }}-${{ hashFiles('**/composer.lock') }}