diff --git a/pkgs/development/libraries/haskell/minioperational/default.nix b/pkgs/development/libraries/haskell/minioperational/default.nix
index d037645682f2..04da7e27e2c4 100644
--- a/pkgs/development/libraries/haskell/minioperational/default.nix
+++ b/pkgs/development/libraries/haskell/minioperational/default.nix
@@ -1,16 +1,17 @@
 # This file was auto-generated by cabal2nix. Please do NOT edit manually!
 
-{ cabal, transformers }:
+{ cabal, cleanUnions, elevator, transformers }:
 
 cabal.mkDerivation (self: {
   pname = "minioperational";
-  version = "0.4.6";
-  sha256 = "0ir15l9ks4wik5wmhc9v23d2wlh4v499a52pzzsl8w40406lm5ln";
-  buildDepends = [ transformers ];
+  version = "0.4.8.1";
+  sha256 = "02nkgbpf1dky7h3n99j9m3101wyfahcdx5wk5vidvf9snl5vy1w9";
+  buildDepends = [ cleanUnions elevator transformers ];
   meta = {
     homepage = "https://github.com/fumieval/minioperational";
     description = "fast and simple operational monad";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
+    maintainers = with self.stdenv.lib.maintainers; [ fuuzetsu ];
   };
 })