diff --git a/pkgs/development/python-modules/robotsuite/default.nix b/pkgs/development/python-modules/robotsuite/default.nix
index cc5f6672f01b..8e51b8409421 100644
--- a/pkgs/development/python-modules/robotsuite/default.nix
+++ b/pkgs/development/python-modules/robotsuite/default.nix
@@ -32,6 +32,6 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Python unittest test suite for Robot Framework";
     homepage = "https://github.com/collective/robotsuite/";
-    license = licenses.gpl3;
+    license = licenses.gpl3Only;
   };
 }