diff --git a/.github/workflows/pa11y.yml b/.github/workflows/pa11y.yml
index aa2346d1..f5d0703c 100644
--- a/.github/workflows/pa11y.yml
+++ b/.github/workflows/pa11y.yml
@@ -30,7 +30,7 @@ jobs:
           echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
 
       - name: Setup pnpm cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ env.STORE_PATH }}
           key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}