diff --git a/src/memn2n/requirements.txt b/src/memn2n/requirements.txt
index ae628bf..b4d10f5 100644
--- a/src/memn2n/requirements.txt
+++ b/src/memn2n/requirements.txt
@@ -12,4 +12,4 @@ MarkupSafe==1.0
 packaging==16.8
 pyparsing==2.2.0
 six==1.10.0
-Werkzeug==0.12.1
+Werkzeug==0.15.3