diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 054d469..7204059 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -28,7 +28,7 @@ jobs:
     steps:
     - name: "🗃 Cache"
       if: success() || failure()
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: |
           ~/.cache
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 0b2efeb..9eb552c 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -26,7 +26,7 @@ jobs:
         with:
           python-version: 3.x
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         name: "🗃 Cache"
         with:
           key: "${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-mkdocs"