diff --git a/.github/workflows/mkdocs.yaml b/.github/workflows/mkdocs.yaml
index 801784a..7bbd81c 100644
--- a/.github/workflows/mkdocs.yaml
+++ b/.github/workflows/mkdocs.yaml
@@ -34,7 +34,7 @@ jobs:
         python-version: '3.x'
 
     - name: Cache Poetry dependencies
-      uses: actions/cache@v5
+      uses: actions/cache@v6
       with:
         path: |
           ~/.cache/pypoetry