diff --git a/coinbase_oauth2/requirements.txt b/coinbase_oauth2/requirements.txt
index 9f2d9a9..60c06b9 100644
--- a/coinbase_oauth2/requirements.txt
+++ b/coinbase_oauth2/requirements.txt
@@ -1,7 +1,7 @@
 Flask==0.9
 Jinja2==2.6
 Pygments==1.6
-Werkzeug==0.8.3
+Werkzeug==0.15.3
 httplib2==0.8
 oauth2client==1.1
 requests==2.20.0