diff --git a/main.py b/main.py
index e80a4c0..6500420 100644
--- a/main.py
+++ b/main.py
@@ -12,13 +12,17 @@ REPO_UPDATER_SCRIPT = os.getcwd() + '/update_repo.sh'
 
 def update_repositories():
     for repo_path in config.git_repositories:
-        os.system(f"{REPO_UPDATER_SCRIPT} {repo_path}")
+        ret = os.system(f"{REPO_UPDATER_SCRIPT} {repo_path}")
+        if ret > 0:
+            exit(ret)
 
 
 def update_stack(stack):
     project_name = stack['Name']
     compose_file = DOCKER_COMPOSE_PATH.format(stack['Id'])
-    os.system(f"{BASH_COMPANION_SCRIPT} {project_name} {compose_file}")
+    ret = os.system(f"{BASH_COMPANION_SCRIPT} {project_name} {compose_file}")
+    if ret > 0:
+        exit(ret)
 
 
 if __name__ == '__main__':