diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6c4fb0a..9d0ea8a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,7 +38,7 @@ jobs:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Cache MoonBit dependencies
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ~/.moon/registry
           key: ${{ runner.os }}-moonbit-${{ hashFiles('**/moon.mod.json') }}