diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b8c1605c..7a53084d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -27,7 +27,7 @@ jobs:
   # This workflow contains a single job called "build"
   Build-Linux:
     # The type of runner that the job will run on
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps: