diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index a148bc9..51821e2 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -17,7 +17,7 @@ jobs:
         with:
           python-version: 3.x
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           key: ${{ github.ref }}
           path: .cache