diff --git a/pkgs/development/libraries/haskell/hsemail/default.nix b/pkgs/development/libraries/haskell/hsemail/default.nix
index f69789772ac..ac22e94abb8 100644
--- a/pkgs/development/libraries/haskell/hsemail/default.nix
+++ b/pkgs/development/libraries/haskell/hsemail/default.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "hsemail";
-  version = "1.7.2";
-  sha256 = "1bl017gfyvjvxs9z1fns6sknk1l55905r82i31aqbz9qyaj70gzx";
+  version = "1.7.3";
+  sha256 = "0i9qh4rbgcgpjiz7nj8rrmj0ai53s420dskfvwrbwl4j6z67f7la";
   buildDepends = [ mtl parsec ];
   meta = {
     homepage = "http://gitorious.org/hsemail";