diff --git a/requirements.txt b/requirements.txt
index 14551ff..2a4fae4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -18,4 +18,4 @@ PyJWT==1.6.4
 pytest==3.7.2
 six==1.11.0
 SQLAlchemy==1.2.10
-Werkzeug==0.15.3
+Werkzeug==0.15.5