diff --git a/requirements.txt b/requirements.txt
index 99a1556..9a70c8c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,5 +6,5 @@ Jinja2==2.8
 MarkupSafe==0.23
 python-loklak-api==1.0.1
 requests>=2.20.0
-Werkzeug==0.11.5
+Werkzeug==0.15.3
 wheel==0.26.0