diff --git a/docket/requirements.txt b/docket/requirements.txt
index ae48772..502b21d 100644
--- a/docket/requirements.txt
+++ b/docket/requirements.txt
@@ -31,4 +31,4 @@ simplejson==3.10.0
 six==1.10.0
 urllib3==1.21.1
 vine==1.1.3
-Werkzeug==0.12.2
+Werkzeug==0.15.3
diff --git a/requirements.txt b/requirements.txt
index 93497c7..a125691 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,4 +11,4 @@ pytz==2017.3
 PyYAML==3.12
 redis==2.10.6
 vine==1.1.4
-Werkzeug==0.14.1
+Werkzeug==0.15.3