diff --git a/requirements.txt b/requirements.txt
index 2ed5158..83bde0a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ python-twitter==3.2.1
 requests==2.12.5
 requests-oauthlib==0.7.0
 six==1.10.0
-Werkzeug==0.11.15
+Werkzeug==0.15.3
 Wand==0.4.4
 pysftp==0.2.9
 Pillow==3.4.2