diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 4fcf2a0f..d857f78c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -47,7 +47,7 @@ jobs:
     - uses: actions/checkout@v6
       with:
         fetch-depth: 0 # fetch all history for all branches, required for the changed-files action
-    - uses: actions/cache@v4
+    - uses: actions/cache@v5
       id: cache
       with:
         path: |
diff --git a/.github/workflows/scheduled_or_manual.yml b/.github/workflows/scheduled_or_manual.yml
index d8758194..b429a09d 100644
--- a/.github/workflows/scheduled_or_manual.yml
+++ b/.github/workflows/scheduled_or_manual.yml
@@ -47,7 +47,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v6
-    - uses: actions/cache@v4
+    - uses: actions/cache@v5
       id: cache
       with:
         path: |