diff --git a/requirements.txt b/requirements.txt
index 1c70e52..be4a111 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,5 +23,5 @@ six==1.11.0
 twilio==6.10.4
 uritemplate==3.0.0
 urllib3==1.22
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 wikipedia==1.4.0