diff --git a/requirements.txt b/requirements.txt
index 1aec7e9..409706d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,6 @@
-flask~=1.1.2
+markupsafe==2.0.1
+itsdangerous==2.0.1
+flask
 flask_cors
 gunicorn
 gevent