diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index e6986a5b5498..a802623df8e9 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -334,5 +334,9 @@ rec {
       packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-4.2.nix { };
     };
 
+    lts-5_0 = packages.ghc7103.override {
+      packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-5.0.nix { };
+    };
+
   };
 }