diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ed4fbdd..1ebcb47 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -34,7 +34,7 @@ jobs:
   build:
     name: Build
     needs: test
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-16.04
     steps:
 
     - name: Set up Go 1.13