diff --git a/.github/workflows/Pipeline.yml b/.github/workflows/Pipeline.yml
index 12b01fb..5fa4112 100755
--- a/.github/workflows/Pipeline.yml
+++ b/.github/workflows/Pipeline.yml
@@ -5,7 +5,7 @@ env:
   APPLICATION_NAME: app2
 jobs:
   lint:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
     - uses: actions/checkout@v1
     - name: Setup Python environment