diff --git a/scripts/update_readme.py b/scripts/update_readme.py
index 2047adc4..ce7085ed 100644
--- a/scripts/update_readme.py
+++ b/scripts/update_readme.py
@@ -134,7 +134,7 @@ def get_table(problems):
         print("README.md updated without errors")
       else:
         print("README.md is up to date")
-        return 123 # exit github action with success
+        exit(123) # exit github action with success
       
   # README.md.tmp 파일 삭제
   os.remove("README.md.tmp")