diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1ae291d7..fec236cf 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     container:
       image: golang:1.13.11-alpine3.10
     steps: