diff --git a/.github/workflows/build_web_app.yml b/.github/workflows/build_web_app.yml
index 59da02a..c15fac5 100644
--- a/.github/workflows/build_web_app.yml
+++ b/.github/workflows/build_web_app.yml
@@ -18,7 +18,7 @@ jobs:
       - run: flutter --version
 
       - name: Cache pub dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ${{ env.FLUTTER_HOME }}/.pub-cache
           key: ${{ runner.os }}-pub-${{ hashFiles('**/pubspec.lock') }}