diff --git a/monkey/monkey_island/requirements.txt b/monkey/monkey_island/requirements.txt
index aafb41f86..d013b2861 100644
--- a/monkey/monkey_island/requirements.txt
+++ b/monkey/monkey_island/requirements.txt
@@ -1,5 +1,5 @@
 python-dateutil
-tornado
+tornado==5.1.1
 werkzeug
 jinja2
 markupsafe
@@ -9,14 +9,13 @@ flask
 Flask-Pymongo
 Flask-Restful
 Flask-JWT
-jsonschema
+jsonschema==2.6.0
 netifaces
 ipaddress
 enum34
 pycryptodome
 boto3
 awscli
-dpath
 bson
 cffi
 PyInstaller