diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 6e49bca..8bdf41d 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -53,7 +53,7 @@ jobs:
           python-version: ${{ env.PYTHON_VERSION }}
 
     - name: Cache Sphinx cache
-      uses: actions/cache@v5
+      uses: actions/cache@v6
       with:
         path: docs/_build/cache
         key: ${{ runner.os }}-sphinx-${{ hashFiles('docs/**/*') }}