diff --git a/.github/workflows/sanity-check.yml b/.github/workflows/sanity-check.yml
index 028e332..afe1abf 100644
--- a/.github/workflows/sanity-check.yml
+++ b/.github/workflows/sanity-check.yml
@@ -13,11 +13,7 @@ jobs:
     timeout-minutes: 5
     strategy:
       matrix:
-        os: [
-            ubuntu-24.04,
-            # windows-latest,
-            # macos-latest,
-          ]
+        os: ["peak-ubuntu-24.04-4"]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4