diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 05e3462..e50ab46 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,7 +2,7 @@ name: Build Docker Image
 on: push
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-18.04
     strategy:
       fail-fast: false
       matrix: