diff --git a/.github/workflows/ubuntu-workflow.yml b/.github/workflows/ubuntu-workflow.yml
index 70309dfb6d..d7e96333f7 100644
--- a/.github/workflows/ubuntu-workflow.yml
+++ b/.github/workflows/ubuntu-workflow.yml
@@ -10,7 +10,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-18.04
     outputs:
       build-scan-url: ${{ steps.build.outputs.build-scan-url }}
     steps: