diff --git a/requirements.txt b/requirements.txt
index 1321714..3a09788 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,4 +12,4 @@ pycryptodome==3.8.2
 pysqlite3==0.2.1
 six==1.12.0
 sortedcontainers==2.1.0
-Werkzeug==0.15.4
+Werkzeug==0.15.5