diff --git a/pkgs/development/libraries/haskell/template-default/default.nix b/pkgs/development/libraries/haskell/template-default/default.nix
new file mode 100644
index 000000000000..a450b09b551f
--- /dev/null
+++ b/pkgs/development/libraries/haskell/template-default/default.nix
@@ -0,0 +1,14 @@
+{ cabal, dataDefault }:
+
+cabal.mkDerivation (self: {
+  pname = "template-default";
+  version = "0.1.1";
+  sha256 = "07b8j11v0247fwaf3mv72m7aaq3crbsyrxmxa352vn9h2g6l1jsd";
+  buildDepends = [ dataDefault ];
+  meta = {
+    homepage = "https://github.com/haskell-pkg-janitors/template-default";
+    description = "declaring Default instances just got even easier";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 990f6d035526..7b0988186640 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1874,6 +1874,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   tagstreamConduit = callPackage ../development/libraries/haskell/tagstream-conduit {};
 
+  templateDefault = callPackage ../development/libraries/haskell/template-default {};
+
   temporary = callPackage ../development/libraries/haskell/temporary {};
 
   Tensor = callPackage ../development/libraries/haskell/Tensor {};