diff --git a/deploy/pyenv/requirements.txt b/deploy/pyenv/requirements.txt
index 70aae29..e6c41c9 100644
--- a/deploy/pyenv/requirements.txt
+++ b/deploy/pyenv/requirements.txt
@@ -22,5 +22,5 @@ requests-file==1.4.3
 six==1.11.0
 tldextract==2.2.0
 urllib3==1.23
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 wrapt==1.10.11