diff --git a/.github/workflows/test-matrix.yml b/.github/workflows/test-matrix.yml
index 68fff29..05872b5 100644
--- a/.github/workflows/test-matrix.yml
+++ b/.github/workflows/test-matrix.yml
@@ -43,7 +43,7 @@ jobs:
 #  """
 ##
     - name: Pip cache
-      uses: actions/cache@v4
+      uses: actions/cache@v5
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ matrix.config[0] }}-${{ hashFiles('setup.*', 'tox.ini') }}