diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cd11139..86c4e89 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -115,7 +115,7 @@ jobs:
       # the cache hit populates ~/.cache/ms-playwright.
       - name: Restore Playwright cache
         id: pw-cache
-        uses: actions/cache@v4
+        uses: actions/cache@v6
         with:
           path: ~/.cache/ms-playwright
           key: playwright-${{ runner.os }}-v1-${{ hashFiles('tests/requirements-test.txt') }}