diff --git a/website/requirements.txt b/website/requirements.txt
index d85ad6ad..2e0b3f83 100644
--- a/website/requirements.txt
+++ b/website/requirements.txt
@@ -31,7 +31,7 @@ scikit-learn
 pyBigWig
 pyinterval
 cryptography
-Werkzeug==0.15.3
+Werkzeug==0.15.5
 lmdb
 eralchemy
 xlrd