diff --git a/pkgs/development/libraries/haskell/blaze-textual/default.nix b/pkgs/development/libraries/haskell/blaze-textual/default.nix
index 0c405bac5238..deb1e3caa783 100644
--- a/pkgs/development/libraries/haskell/blaze-textual/default.nix
+++ b/pkgs/development/libraries/haskell/blaze-textual/default.nix
@@ -1,10 +1,10 @@
-{ cabal, blazeBuilder, text, time, vector }:
+{ cabal, blazeBuilder, doubleConversion, text, time, vector }:
 
 cabal.mkDerivation (self: {
   pname = "blaze-textual";
-  version = "0.1.0.0";
-  sha256 = "0ql25b0r4xbshqsjfndl7glq0hp2ncxb3h5zd541vsqrqrf8y4gk";
-  buildDepends = [ blazeBuilder text time vector ];
+  version = "0.2.0.4";
+  sha256 = "0bifxyzm35xvlqry06iv6pqgx1d33jnrvpmn4wnydkyg1r7q3k9v";
+  buildDepends = [ blazeBuilder doubleConversion text time vector ];
   meta = {
     homepage = "http://github.com/mailrank/blaze-textual";
     description = "Fast rendering of common datatypes";