diff --git a/.github/workflows/aicoder.yml b/.github/workflows/aicoder.yml
index 316e3c9..cddb7f9 100644
--- a/.github/workflows/aicoder.yml
+++ b/.github/workflows/aicoder.yml
@@ -5,7 +5,7 @@ on:
 
 jobs:
   Build_and_test_winpeas_master:
-    runs-on: ubuntu
+    runs-on: ubuntu-latest
 
     steps:
       # checkout