diff --git a/monkey/monkey_island/requirements.txt b/monkey/monkey_island/requirements.txt
index 7e7272a87..cef10fcb7 100644
--- a/monkey/monkey_island/requirements.txt
+++ b/monkey/monkey_island/requirements.txt
@@ -10,7 +10,7 @@ dpath>=2.0
 flask>=1.1
 ipaddress>=1.0.23
 jsonschema==3.2.0
-mongoengine>=0.20
+mongoengine==0.20
 mongomock==3.19.0
 netifaces>=0.10.9
 pycryptodome==3.9.8