diff --git a/monkey/monkey_island/requirements.txt b/monkey/monkey_island/requirements.txt
index 77ff9a620..96ad1c47d 100644
--- a/monkey/monkey_island/requirements.txt
+++ b/monkey/monkey_island/requirements.txt
@@ -4,7 +4,6 @@ python-dateutil
 tornado
 werkzeug
 jinja2
-markupsafe
 itsdangerous
 click
 flask