diff --git a/requirements.txt b/requirements.txt
index 4866120..06e0fee 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,6 +16,6 @@ Pillow==5.3.0
 pycparser==2.18
 six==1.11.0
 SQLAlchemy==1.2.7
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 WTForms==2.1
 cloudant==2.12.0
\ No newline at end of file