diff --git a/requirements.txt b/requirements.txt
index d2805fd..b2ea10e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,5 +43,5 @@ six==1.11.0
 sklearn==0.0
 urllib3==1.24.1
 webencodings==0.5.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 XlsxWriter==1.0.9