diff --git a/BK/requirements.txt b/BK/requirements.txt
index ec09aa4..7300989 100644
--- a/BK/requirements.txt
+++ b/BK/requirements.txt
@@ -2,4 +2,4 @@ robobrowser==0.5.3
 requests
 telepot
 pymongo
-werkzeug
+werkzeug==0.16.1