diff --git a/pkgs/development/libraries/haskell/NumInstances/default.nix b/pkgs/development/libraries/haskell/NumInstances/default.nix
index 7c5262edafe..8aa6dec08cb 100644
--- a/pkgs/development/libraries/haskell/NumInstances/default.nix
+++ b/pkgs/development/libraries/haskell/NumInstances/default.nix
@@ -8,5 +8,9 @@ cabal.mkDerivation (self: {
     description = "Instances of numeric classes for functions and tuples";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
+    maintainers = [
+      self.stdenv.lib.maintainers.andres
+      self.stdenv.lib.maintainers.simons
+    ];
   };
 })