diff --git a/.github/workflows/r2s_lean.yml b/.github/workflows/r2s_lean.yml
index f22d568..04ee49c 100644
--- a/.github/workflows/r2s_lean.yml
+++ b/.github/workflows/r2s_lean.yml
@@ -13,7 +13,7 @@ jobs:
 
   build:
     
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
     
     steps: