diff --git a/monkey/infection_monkey/requirements.txt b/monkey/infection_monkey/requirements.txt
index 7dd61cd19..858e5652b 100644
--- a/monkey/infection_monkey/requirements.txt
+++ b/monkey/infection_monkey/requirements.txt
@@ -9,7 +9,11 @@ git+https://github.com/guardicore/pyinstaller
 ecdsa
 netifaces
 ipaddress
-wmi
+# Locking WMI since version 1.5 introduced breaking change on Linux agent compilation.
+# See breaking change here: https://github.com/tjguk/wmi/commit/dcf8e3eca79bb8c0101ffb83e25c066b0ba9e16d
+# Causes pip to error with:
+# Could not find a version that satisfies the requirement pywin32 (from wmi->-r /src/infection_monkey/requirements.txt (line 12)) (from versions: none)
+wmi==1.4.9
 pywin32 ; sys_platform == 'win32'
 pymssql<3.0
 pyftpdlib