diff --git a/pkgs/development/libraries/haskell/data-fix/default.nix b/pkgs/development/libraries/haskell/data-fix/default.nix
new file mode 100644
index 00000000000..0d9b801cbd2
--- /dev/null
+++ b/pkgs/development/libraries/haskell/data-fix/default.nix
@@ -0,0 +1,13 @@
+{ cabal }:
+
+cabal.mkDerivation (self: {
+  pname = "data-fix";
+  version = "0.0.1";
+  sha256 = "09r08lrv92ka6p35wkbfhq9ywg7y5pmgszwbz8a20h31vjz1ffpr";
+  meta = {
+    homepage = "https://github.com/anton-k/data-fix";
+    description = "Fixpoint data types";
+    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 0b512a7c086..59052b8f3cb 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -553,6 +553,8 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   dataenc = callPackage ../development/libraries/haskell/dataenc {};
 
+  dataFix = callPackage ../development/libraries/haskell/data-fix {};
+
   dataHash = callPackage ../development/libraries/haskell/data-hash {};
 
   dataInttrie = callPackage ../development/libraries/haskell/data-inttrie {};