diff --git a/requirements.txt b/requirements.txt
index 660aab6..e5b9bb4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ SQLAlchemy==0.9.4
 Unidecode==0.04.14
 WebOb==1.3.1
 WebTest==2.0.14
-Werkzeug==0.9.4
+Werkzeug==0.15.3
 alembic==0.6.4
 beautifulsoup4==4.3.2
 blinker==1.3