diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 0060b7e37d7..3798abe9208 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -386,7 +386,10 @@ rec {
     lts-5_13 = packages.ghc7103.override {
       packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-5.13.nix { };
     };
-    lts-5 = packages.lts-5_13;
+    lts-5_14 = packages.ghc7103.override {
+      packageSetConfig = callPackage ../development/haskell-modules/configuration-lts-5.14.nix { };
+    };
+    lts-5 = packages.lts-5_14;
 
     lts = packages.lts-5;
   };