diff --git a/.github/workflows/testsuite.yml b/.github/workflows/testsuite.yml
index ae6f8bc7..99850345 100644
--- a/.github/workflows/testsuite.yml
+++ b/.github/workflows/testsuite.yml
@@ -54,7 +54,7 @@ jobs:
 
     - name: Cache dependencies
       id: cache-dep
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: ${{ steps.pip-cache.outputs.dir }}
         key: ${{ matrix.os }}-${{ matrix.python-version }}-pip-${{ hashFiles('**/requirements.txt') }}-${{ hashFiles('**/extra_requirements.txt') }}