diff --git a/.github/workflows/ci_tests.yaml b/.github/workflows/ci_tests.yaml
index 3887ee1..488a207 100644
--- a/.github/workflows/ci_tests.yaml
+++ b/.github/workflows/ci_tests.yaml
@@ -24,7 +24,7 @@ jobs:
         uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         name: Define a cache for the virtual environment based on the dependencies lock file
         with:
           path: ./.venv
diff --git a/.github/workflows/publish-docs-on-master.yaml b/.github/workflows/publish-docs-on-master.yaml
index 7abc916..3d628b3 100644
--- a/.github/workflows/publish-docs-on-master.yaml
+++ b/.github/workflows/publish-docs-on-master.yaml
@@ -23,7 +23,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - run: echo "cache_id=$(date --utc '+%V')" >> $GITHUB_ENV
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           key: mkdocs-material-${{ env.cache_id }}
           path: .cache
@@ -33,7 +33,7 @@ jobs:
         uses: astral-sh/setup-uv@v7
         with:
           enable-cache: true
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         name: Define a cache for the virtual environment based on the dependencies lock file
         with:
           path: ./.venv