diff --git a/requirements.txt b/requirements.txt
index 598d306..9830425 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ six==1.11.0
 tempora==1.10
 urllib3==1.22
 visitor==0.1.3
-Werkzeug==0.12.2
+Werkzeug==0.15.5
 wtf==0.1
 WTForms==2.1
 yarg==0.1.9