diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index d93e4f33c51..7038838eb75 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4732,6 +4732,7 @@ rec {
     meta = {
       description = "Fast numerical array expression evaluator for NumPy";
       homepage = "https://github.com/pydata/numexpr";
+      license = licenses.mit;
     };
   };