diff --git a/pkgs/development/libraries/haskell/blaze-builder-conduit/default.nix b/pkgs/development/libraries/haskell/blaze-builder-conduit/default.nix
index e6b8785b6a92..a9568dde4963 100644
--- a/pkgs/development/libraries/haskell/blaze-builder-conduit/default.nix
+++ b/pkgs/development/libraries/haskell/blaze-builder-conduit/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "blaze-builder-conduit";
-  version = "0.5.0.2";
-  sha256 = "0ynkz822zxp1m02fp9l572d8j8xi5r9j1bg6zs2671m81h22d4in";
+  version = "0.5.0.3";
+  sha256 = "0dbymh29zg0bvhlmai5s6qiqypx46hmlg375jpcq1597vzaanwnw";
   buildDepends = [ blazeBuilder conduit text transformers ];
   meta = {
     homepage = "http://github.com/snoyberg/conduit";