diff --git a/pkgs/development/libraries/haskell/hackage-db/default.nix b/pkgs/development/libraries/haskell/hackage-db/default.nix
index 82175abb17e..f3d029a5ea7 100644
--- a/pkgs/development/libraries/haskell/hackage-db/default.nix
+++ b/pkgs/development/libraries/haskell/hackage-db/default.nix
@@ -1,10 +1,10 @@
-{ cabal, Cabal, filepath, tar }:
+{ cabal, Cabal, filepath, tar, utf8String }:
 
 cabal.mkDerivation (self: {
   pname = "hackage-db";
-  version = "1.4";
-  sha256 = "12z1ak21xc9v373j956gz8l4ryj0582lgbl9ykp8q46n9b8sxfph";
-  buildDepends = [ Cabal filepath tar ];
+  version = "1.5";
+  sha256 = "1m7f6vwgjzibk8rd14y6m62xv5969ns94a57sansi9d83q6rj9iv";
+  buildDepends = [ Cabal filepath tar utf8String ];
   meta = {
     homepage = "http://github.com/peti/hackage-db";
     description = "provide access to the Hackage database via Data.Map";