diff --git a/pkgs/development/libraries/haskell/threads/default.nix b/pkgs/development/libraries/haskell/threads/default.nix
new file mode 100644
index 000000000000..8f5008032f6b
--- /dev/null
+++ b/pkgs/development/libraries/haskell/threads/default.nix
@@ -0,0 +1,14 @@
+{ cabal, baseUnicodeSymbols, stm }:
+
+cabal.mkDerivation (self: {
+  pname = "threads";
+  version = "0.5.0.1";
+  sha256 = "0amyaxa70q6v021nab6v3cfqc40mwj5dr2fwla9d4bm6ppmq6lyy";
+  buildDepends = [ baseUnicodeSymbols stm ];
+  meta = {
+    homepage = "https://github.com/basvandijk/threads";
+    description = "Fork threads and wait for their result";
+    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 e09b743ef0dd..e7157bc507b2 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1516,6 +1516,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   threadmanager = callPackage ../development/libraries/haskell/threadmanager {};
 
+  threads = callPackage ../development/libraries/haskell/threads {};
+
   time_1_1_2_4 = callPackage ../development/libraries/haskell/time/1.1.2.4.nix {};
   time_1_1_3   = callPackage ../development/libraries/haskell/time/1.1.3.nix {};
   time_1_2_0_3 = callPackage ../development/libraries/haskell/time/1.2.0.3.nix {};