diff --git a/pkgs/development/python-modules/labgrid/default.nix b/pkgs/development/python-modules/labgrid/default.nix
index c95acdf68e3..2032eb33d60 100644
--- a/pkgs/development/python-modules/labgrid/default.nix
+++ b/pkgs/development/python-modules/labgrid/default.nix
@@ -6,6 +6,7 @@
 , jinja2
 , lib
 , mock
+, packaging
 , pexpect
 , psutil
 , pyserial
@@ -44,6 +45,7 @@ buildPythonPackage rec {
     attrs
     autobahn
     jinja2
+    packaging
     pexpect
     pyserial
     pyudev