diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 64c7df66..e0cc6758 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -23,7 +23,7 @@ jobs:
           pip install tox tox-gh-actions
 
       # python cache
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           path: ~/.cache/pip
           key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
diff --git a/.github/workflows/test-matrix.yml b/.github/workflows/test-matrix.yml
index 68fff298..05872b5a 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') }}