diff --git a/requirements.txt b/requirements.txt
index 692b5ce..52f64f4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 Flask==0.12.3
 Jinja2>=2.10.1
 MarkupSafe==1.0
-Werkzeug==0.15.3
+Werkzeug==0.15.5
 click==6.7
 elasticsearch-dsl>=6.1.0
 elasticsearch>=6.1.1