diff --git a/.github/workflows/ci-master-scheduled.yml b/.github/workflows/ci-master-scheduled.yml
index f3b2247d..3ee99c85 100644
--- a/.github/workflows/ci-master-scheduled.yml
+++ b/.github/workflows/ci-master-scheduled.yml
@@ -29,7 +29,7 @@ jobs:
       - name: Install Poetry
         run: python -m pip install poetry poetry-dynamic-versioning
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         name: Cache Poetry dependencies
         with:
           path: |
diff --git a/.github/workflows/ci-pull-request.yml b/.github/workflows/ci-pull-request.yml
index 96823f89..0011a467 100644
--- a/.github/workflows/ci-pull-request.yml
+++ b/.github/workflows/ci-pull-request.yml
@@ -31,7 +31,7 @@ jobs:
     - name: Install Poetry
       run: python -m pip install poetry poetry-dynamic-versioning
 
-    - uses: actions/cache@v3
+    - uses: actions/cache@v4
       name: Cache Poetry dependencies
       with:
         path: |