diff --git a/pkgs/development/tools/haskell/cabal2nix/default.nix b/pkgs/development/tools/haskell/cabal2nix/default.nix
index a81b8fd7891..83909d0ff80 100644
--- a/pkgs/development/tools/haskell/cabal2nix/default.nix
+++ b/pkgs/development/tools/haskell/cabal2nix/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "cabal2nix";
-  version = "1.27";
-  sha256 = "1s9gbnzx2wcrp9gg0vdpcv61jmv44hmilb5rj4ighnbfv7kv365z";
+  version = "1.28";
+  sha256 = "04996v4b0767qzyi2g42anl30h1abaip77hvdj6hhfrvyrgdfsaw";
   isLibrary = false;
   isExecutable = true;
   buildDepends = [ Cabal filepath hackageDb HTTP mtl regexPosix ];