diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index b3f050445a43..72386f128945 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -291,6 +291,9 @@ rec {
     lts-3_14 = packages.ghc7102.override {
       packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-3.14.nix { };
     };
+    lts-3_15 = packages.ghc7102.override {
+      packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-3.15.nix { };
+    };
 
   };
 }