diff --git a/nixos/lib/test-driver/default.nix b/nixos/lib/test-driver/default.nix
index b2221e06629c..a18aebc44e5a 100644
--- a/nixos/lib/test-driver/default.nix
+++ b/nixos/lib/test-driver/default.nix
@@ -89,4 +89,6 @@ buildPythonApplication {
     echo -e "\x1b[32m## run ruff format\x1b[0m"
     ruff format --check --diff .
   '';
+
+  meta.license = lib.licenses.mit;
 }