diff --git a/pkgs/development/libraries/haskell/web-routes-happstack/default.nix b/pkgs/development/libraries/haskell/web-routes-happstack/default.nix
new file mode 100644
index 00000000000..299357e2073
--- /dev/null
+++ b/pkgs/development/libraries/haskell/web-routes-happstack/default.nix
@@ -0,0 +1,15 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
+{ cabal, happstackServer, text, webRoutes }:
+
+cabal.mkDerivation (self: {
+  pname = "web-routes-happstack";
+  version = "0.23.9";
+  sha256 = "0vsjm979z21858wk9z1b855jqmr4apm35b5ff8x6nynq6kiflrzw";
+  buildDepends = [ happstackServer text webRoutes ];
+  meta = {
+    description = "Adds support for using web-routes with Happstack";
+    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 1a3519e85ae..6fb5aaa9b3d 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -2875,6 +2875,8 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   webRoutesBoomerang = callPackage ../development/libraries/haskell/web-routes-boomerang {};
 
+  webRoutesHappstack = callPackage ../development/libraries/haskell/web-routes-happstack {};
+
   websockets = callPackage ../development/libraries/haskell/websockets {};
 
   websocketsSnap = callPackage ../development/libraries/haskell/websockets-snap {};