diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 66b7ed1..aa9ded9 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -10,7 +10,7 @@ jobs:
 
   build:
     name: Build
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
 
     - name: Set up Go 1.x