diff --git a/rest-api-deploy/toy_project_v2/toy/requirements.txt b/rest-api-deploy/toy_project_v2/toy/requirements.txt
index dc3ff15..d2fc10c 100644
--- a/rest-api-deploy/toy_project_v2/toy/requirements.txt
+++ b/rest-api-deploy/toy_project_v2/toy/requirements.txt
@@ -1,7 +1,7 @@
 eventlet==0.31.0
 gunicorn==19.7.0
 jieba==0.38
-Flask==0.12.3
+Flask==1.0
 requests>=2.20.0
 PyYAML
 python-logstash==0.4.6