diff --git a/pkgs/development/libraries/haskell/generic-deriving/default.nix b/pkgs/development/libraries/haskell/generic-deriving/default.nix
index 5081d09939bf..9b1d911638ff 100644
--- a/pkgs/development/libraries/haskell/generic-deriving/default.nix
+++ b/pkgs/development/libraries/haskell/generic-deriving/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "generic-deriving";
-  version = "1.6.2";
-  sha256 = "1ryzg7zgnlhx6mbmpsh4fgqf2d758c94qz2zpg3jxns30hd4sfy6";
+  version = "1.6.3";
+  sha256 = "04cjyl5aphf36qbbn75midrqj151fc77z2znpal8dk52gaab2f67";
   meta = {
     description = "Generic programming library for generalised deriving";
     license = self.stdenv.lib.licenses.bsd3;