diff --git a/pkgs/applications/networking/gns3/gui.nix b/pkgs/applications/networking/gns3/gui.nix
index de624d7f6b29..3d0003e55f81 100644
--- a/pkgs/applications/networking/gns3/gui.nix
+++ b/pkgs/applications/networking/gns3/gui.nix
@@ -19,7 +19,7 @@ in pythonPackages.buildPythonPackage rec {
   propagatedBuildInputs = with pythonPackages; [
     raven psutil jsonschema # tox for check
     # Runtime dependencies
-    sip (pyqt5.override { withWebSockets = true; })
+    sip (pyqt5.override { withWebSockets = true; }) setuptools
   ] ++ stdenv.lib.optional (!stable) pythonPackages.distro;
 
   doCheck = false; # Failing