diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 6ddb1b5..b16969b
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,6 +12,6 @@ six==1.10.0
 telepot==10.1
 urllib3==1.19
 virtualenv==15.0.3
-Werkzeug==0.11.11
+Werkzeug==0.15.3
 wikipedia==1.4.0
 twilio==5.7.0