diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 3554e9e..924f20d 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -16,7 +16,7 @@ jobs:
       - uses: julia-actions/setup-julia@v1
         with:
           version: '1.9'
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: |
             ~/.julia/artifacts