diff --git a/session-store/requirements.txt b/session-store/requirements.txt
index f314b03..8ac0d3b 100644
--- a/session-store/requirements.txt
+++ b/session-store/requirements.txt
@@ -5,4 +5,4 @@ Jinja2==2.11.3
 MarkupSafe==1.1.1
 PyMySQL==0.9.3
 redis==3.2.1
-Werkzeug==0.15.4
+Werkzeug==0.15.5