diff --git a/.github/workflows/test_python.yml b/.github/workflows/test_python.yml
index 9f653c1de1..b03568435b 100644
--- a/.github/workflows/test_python.yml
+++ b/.github/workflows/test_python.yml
@@ -47,7 +47,7 @@ jobs:
         CMAKE_POLICY_VERSION_MINIMUM: 3.5
     - run: dp --version
     - name: Get durations from cache
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: .test_durations
         # the key must never match, even when restarting workflows, as that
@@ -89,7 +89,7 @@ jobs:
     needs: testpython
     steps:
     - name: Get durations from cache
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: .test_durations
         # key won't match during the first run for the given commit, but