diff --git a/.github/workflows/container-images-build.yml b/.github/workflows/container-images-build.yml
index 88b8dac..9c727b4 100644
--- a/.github/workflows/container-images-build.yml
+++ b/.github/workflows/container-images-build.yml
@@ -5,7 +5,7 @@ on:
       - main
 jobs:
   build-deploy:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-18.04
     steps:
       - uses: actions/checkout@v2
         with: