diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index fddebdb..93bce8b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -6,7 +6,7 @@ on:
       - main
 jobs:
   example-job:
-    
+    runs-on: ubuntu
     steps:
       - name: print a welcome message
         run: echo "welcome to our first github actions workflow"