diff --git a/requirements-dev.txt b/requirements-dev.txt
index 2712ec2..6db4b7e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -93,5 +93,5 @@ sqlalchemy==0.9.3
 tornado==4.4.1            # via livereload, sphinx-autobuild
 urllib3==1.24.1
 watchdog==0.8.3           # via sphinx-autobuild
-werkzeug==0.11.11
+werkzeug==0.15.3
 wrapt==1.10.8             # via astroid
diff --git a/requirements.txt b/requirements.txt
index 9b5be1b..b5b8935 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,4 +51,4 @@ simplejson==3.7.3         # via huskar-sdk-v2
 six==1.10.0               # via more-itertools, mysql-replication, python-dateutil
 sqlalchemy==0.9.3
 urllib3==1.24.1           # via requests
-werkzeug==0.11.11         # via flask
+werkzeug==0.15.3          # via flask