diff --git a/pkgs/development/python-modules/marionette-harness/mozdevice.nix b/pkgs/development/python-modules/marionette-harness/mozdevice.nix
index 8954f579c7f6..9b5216899367 100644
--- a/pkgs/development/python-modules/marionette-harness/mozdevice.nix
+++ b/pkgs/development/python-modules/marionette-harness/mozdevice.nix
@@ -1,6 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchPypi
+, mozlog
 , moznetwork
 , mozprocess
 }:
@@ -16,7 +17,7 @@ buildPythonPackage rec {
     format = "wheel";
   };
 
-  propagatedBuildInputs = [ moznetwork mozprocess ];
+  propagatedBuildInputs = [ mozlog moznetwork mozprocess ];
 
   meta = {
     description = "Mozilla-authored device management";