diff --git a/pkgs/development/libraries/haskell/hindent/default.nix b/pkgs/development/libraries/haskell/hindent/default.nix
index 5e8f55b373f2..ca76bda7c346 100644
--- a/pkgs/development/libraries/haskell/hindent/default.nix
+++ b/pkgs/development/libraries/haskell/hindent/default.nix
@@ -1,14 +1,14 @@
 # This file was auto-generated by cabal2nix. Please do NOT edit manually!
 
-{ cabal, dataDefault, haskellSrcExts, mtl, text }:
+{ cabal, dataDefault, haskellSrcExts, monadLoops, mtl, text }:
 
 cabal.mkDerivation (self: {
   pname = "hindent";
-  version = "3.0";
-  sha256 = "1fvpyg8pb4g023v25lhizcsfd15zw5q4f23qq0ci9h7mg3axlsdx";
+  version = "3.4";
+  sha256 = "060l4dkqz4fma005yai6mdv2bdr2lp59z289j7rv1ygr6p8pqhci";
   isLibrary = true;
   isExecutable = true;
-  buildDepends = [ dataDefault haskellSrcExts mtl text ];
+  buildDepends = [ dataDefault haskellSrcExts monadLoops mtl text ];
   meta = {
     description = "Extensible Haskell pretty printer";
     license = self.stdenv.lib.licenses.bsd3;