diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 69bc72a..658fd87 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -17,7 +17,7 @@ jobs:
         python-version: '3.9'
         architecture: 'x64'
 
-    - uses: actions/cache@v1
+    - uses: actions/cache@v4
       with:
         path: |
           ~/.cache/pypoetry