diff --git a/requirements.txt b/requirements.txt
index 1837334..a48ea0e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ Pygments==1.6
 SQLAlchemy==1.3.0
 SexMachine==0.1.1
 Sphinx==1.2b3
-Werkzeug==0.15.3
+Werkzeug==0.15.5
 astroid==1.0.1
 brewer2mpl==1.4
 distribute==0.6.34