diff --git a/pkgs/development/libraries/haskell/probability/default.nix b/pkgs/development/libraries/haskell/probability/default.nix
new file mode 100644
index 00000000000..bada700ca3d
--- /dev/null
+++ b/pkgs/development/libraries/haskell/probability/default.nix
@@ -0,0 +1,16 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
+{ cabal, random, transformers, utilityHt }:
+
+cabal.mkDerivation (self: {
+  pname = "probability";
+  version = "0.2.4.1";
+  sha256 = "0nh73l03d7niz3a3h2y4i80mlp64ilfkx7krn57skzfi8drwnjvc";
+  buildDepends = [ random transformers utilityHt ];
+  meta = {
+    homepage = "http://www.haskell.org/haskellwiki/Probabilistic_Functional_Programming";
+    description = "Probabilistic Functional Programming";
+    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 11102c27a59..49f3e1a07c7 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1867,6 +1867,8 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
   primitive_0_5_3_0 = callPackage ../development/libraries/haskell/primitive/0.5.3.0.nix {};
   primitive = self.primitive_0_5_3_0;
 
+  probability = callPackage ../development/libraries/haskell/probability {};
+
   profunctors = callPackage ../development/libraries/haskell/profunctors {};
 
   profunctorExtras = callPackage ../development/libraries/haskell/profunctor-extras {};