update workflow

septs · septs · commit 90d817b4fc2a · 2020-11-24T16:35:48.000+08:00
diff --git a/.github/workflows/polyfill.yml b/.github/workflows/polyfill.yml
@@ -8,7 +8,7 @@ defaults:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v2-beta
