diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f93aa30..31ae815 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -46,7 +46,7 @@ jobs:
           coverage: none
 
       - name: Cache Composer downloads
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: ~/.composer/cache/files
           key: composer-${{ runner.os }}-php-8.4-${{ hashFiles('composer.lock') }}