diff --git a/pkgs/development/libraries/haskell/tasty/default.nix b/pkgs/development/libraries/haskell/tasty/default.nix
index 2cf62b7cefd..6fcdf9a4cb3 100644
--- a/pkgs/development/libraries/haskell/tasty/default.nix
+++ b/pkgs/development/libraries/haskell/tasty/default.nix
@@ -1,16 +1,17 @@
-{ cabal, ansiTerminal, deepseq, either, mtl, optparseApplicative
-, regexTdfa, stm, tagged
+{ cabal, ansiTerminal, async, deepseq, mtl, optparseApplicative
+, regexTdfa, stm, tagged, unboundedDelays
 }:
 
 cabal.mkDerivation (self: {
   pname = "tasty";
-  version = "0.7";
-  sha256 = "0nwhbbm70v2drv6kzdz65wws7gn8ph6583xpb6dw8g4j9aa1shxd";
+  version = "0.8";
+  sha256 = "12r8ml45r1dq3vmjkibxkla5rmmyrm11js26kmkha110ji8hnflg";
   buildDepends = [
-    ansiTerminal deepseq either mtl optparseApplicative regexTdfa stm
-    tagged
+    ansiTerminal async deepseq mtl optparseApplicative regexTdfa stm
+    tagged unboundedDelays
   ];
   meta = {
+    homepage = "http://documentup.com/feuerbach/tasty";
     description = "Modern and extensible testing framework";
     license = self.stdenv.lib.licenses.mit;
     platforms = self.ghc.meta.platforms;