diff --git a/pkgs/development/libraries/haskell/ghc-events/default.nix b/pkgs/development/libraries/haskell/ghc-events/default.nix
index dfbf5181d40d..4cba5ed74e91 100644
--- a/pkgs/development/libraries/haskell/ghc-events/default.nix
+++ b/pkgs/development/libraries/haskell/ghc-events/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "ghc-events";
-  version = "0.4.0.1";
-  sha256 = "1ic8r3hn1m500xwq1n8wz7fp65vm43n7dkjnn341xdmpd1546wlc";
+  version = "0.4.2.0";
+  sha256 = "0209r9g5w4ifsaw3dkfra6kma1vyk50dc306an72mcwnp4l7dv4l";
   isLibrary = true;
   isExecutable = true;
   buildDepends = [ binary mtl ];