diff --git a/pkgs/development/libraries/haskell/unix-time/default.nix b/pkgs/development/libraries/haskell/unix-time/default.nix
index 67dbdac34859..0ca4ea5f5c24 100644
--- a/pkgs/development/libraries/haskell/unix-time/default.nix
+++ b/pkgs/development/libraries/haskell/unix-time/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "unix-time";
-  version = "0.2.1";
-  sha256 = "15kg1rxbw86p5jzig9ac7lsizmlvqkxikq7h8jfi04rri39a9jiy";
+  version = "0.2.2";
+  sha256 = "0xnl12mscc5nwjl9s2lx4xr8q8agzcpxh3bmxxidfjrg19drfwrm";
   testDepends = [ doctest hspec QuickCheck time ];
   meta = {
     description = "Unix time parser/formatter and utilities";