diff --git a/simptext/requirements.txt b/simptext/requirements.txt
index 8da5ca6..4e24142 100644
--- a/simptext/requirements.txt
+++ b/simptext/requirements.txt
@@ -31,7 +31,7 @@ scipy==0.18.0
 six==1.10.0
 smart-open==1.3.3
 SQLAlchemy==1.0.14
-Werkzeug==0.11.10
+Werkzeug==0.15.3
 word2vec==0.9.1
 WTForms==2.1
 yapf==0.11.0