diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f8e48476..9e2aef58 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -64,7 +64,7 @@ jobs:
       # Fixed VSCode cache (removed github.run_id for proper cache hits)
       - name: Cache VSCode binary
         id: cache-vscode
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: .vscode-test
           key: vscode-${{ runner.os }}-stable-${{ hashFiles('package.json') }}