diff --git a/pkgs/development/libraries/haskell/language-c/default.nix b/pkgs/development/libraries/haskell/language-c/default.nix
index 5b638ea9dab..c415e3a2b93 100644
--- a/pkgs/development/libraries/haskell/language-c/default.nix
+++ b/pkgs/development/libraries/haskell/language-c/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "language-c";
-  version = "0.4.2";
-  sha256 = "07pf4v4n7kvr5inkhs24b7g55pmkk4k5ihi6s5dbc200l01wz133";
+  version = "0.4.3";
+  sha256 = "0y5yn0jaairqixxqx7c80z5y5mc6czshps7wghjci1s39mn9cjf6";
   buildDepends = [ filepath syb ];
   buildTools = [ alex happy ];
   meta = {