diff --git a/pkgs/development/libraries/haskell/timezone-series/default.nix b/pkgs/development/libraries/haskell/timezone-series/default.nix
index d12ae9aec05..d46f2d81254 100644
--- a/pkgs/development/libraries/haskell/timezone-series/default.nix
+++ b/pkgs/development/libraries/haskell/timezone-series/default.nix
@@ -4,8 +4,8 @@
 
 cabal.mkDerivation (self: {
   pname = "timezone-series";
-  version = "0.1.3";
-  sha256 = "0b13a929wrgfl1agkyp3d5wy89aw69zm4l0src7p16rh3kr38w73";
+  version = "0.1.4";
+  sha256 = "06p5v0dimhwmra100gwkhkz3ll492i2bvafw0qx2qzcxx4yxff40";
   buildDepends = [ time ];
   meta = {
     homepage = "http://projects.haskell.org/time-ng/";