diff --git a/.github/workflows/app-tests.yaml b/.github/workflows/app-tests.yaml
index 8343b06..f5b1d66 100644
--- a/.github/workflows/app-tests.yaml
+++ b/.github/workflows/app-tests.yaml
@@ -117,7 +117,7 @@ jobs:
             npm run build
 
         - name: Setup mypy cache
-          uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a # v4.1.2
+          uses: actions/cache@d4323d4df104b026a6aa633fdb11d772146be0bf # v4.2.2
           with:
             path: ./.mypy_cache
             key: mypy${{ matrix.os }}-${{ matrix.python_version }}-${{ hashFiles('requirements-dev.txt', 'src/backend/requirements.txt', 'src/backend/pyproject.toml') }}