diff --git a/pkgs/development/libraries/haskell/hsemail/default.nix b/pkgs/development/libraries/haskell/hsemail/1.6.nix
similarity index 100%
rename from pkgs/development/libraries/haskell/hsemail/default.nix
rename to pkgs/development/libraries/haskell/hsemail/1.6.nix
diff --git a/pkgs/development/libraries/haskell/hsemail/1.7.1.nix b/pkgs/development/libraries/haskell/hsemail/1.7.1.nix
new file mode 100644
index 00000000000..8d3bd3b311b
--- /dev/null
+++ b/pkgs/development/libraries/haskell/hsemail/1.7.1.nix
@@ -0,0 +1,15 @@
+{cabal, mtl, parsec}:
+
+cabal.mkDerivation (self : {
+  pname = "hsemail";
+  version = "1.7.1";
+  sha256 = "0059015ab93d5facf6060404984a295090ebfc667ae5b84b283163e126805a9e";
+  propagatedBuildInputs = [mtl parsec];
+  meta = {
+    homepage = "http://gitorious.org/hsemail";
+    description = "Internet Message Parsers";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.stdenv.lib.platforms.haskellPlatforms;
+    maintainers = [self.stdenv.lib.maintainers.andres self.stdenv.lib.maintainers.simons];
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index e19037569b0..0945bc6da0e 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -684,7 +684,9 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
     inherit (pkgs) adns;
   };
 
-  hsemail = callPackage ../development/libraries/haskell/hsemail {};
+  hsemail_1_6 = callPackage ../development/libraries/haskell/hsemail/1.6.nix {};
+  hsemail_1_7_1 = callPackage ../development/libraries/haskell/hsemail/1.7.1.nix {};
+  hsemail = self.hsemail_1_7_1;
 
   HsSyck = callPackage ../development/libraries/haskell/HsSyck {};
 
@@ -997,7 +999,9 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   ShellacReadline = callPackage ../development/libraries/haskell/Shellac/Shellac-readline.nix {};
 
-  SMTPClient = callPackage ../development/libraries/haskell/SMTPClient {};
+  SMTPClient = callPackage ../development/libraries/haskell/SMTPClient {
+    hsemail = self.hsemail_1_6;
+  };
 
   split = callPackage ../development/libraries/haskell/split {};