diff --git a/requirements.txt b/requirements.txt
index 914910f..bb7d9c0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,6 +22,6 @@ pytz==2017.2
 six==1.10.0
 SpeechRecognition==3.6.3
 textract==1.6.1
-Werkzeug==0.12.2
+Werkzeug==0.15.3
 xlrd==1.0.0
 XlsxWriter==1.0.2