diff --git a/pkgs/development/libraries/haskell/lambdabot/default.nix b/pkgs/development/libraries/haskell/lambdabot/default.nix
new file mode 100644
index 00000000000..49fdf743e2a
--- /dev/null
+++ b/pkgs/development/libraries/haskell/lambdabot/default.nix
@@ -0,0 +1,26 @@
+{ cabal, arrows, binary, brainfuck, dataMemocombinators, filepath
+, haskellSrc, haskellSrcExts, HTTP, IOSpec, lambdabotUtils, logict
+, MonadRandom, mtl, network, numbers, oeis, parsec, random
+, readline, regexCompat, show, syb, tagsoup, unlambda, utf8String
+, vectorSpace
+}:
+
+cabal.mkDerivation (self: {
+  pname = "lambdabot";
+  version = "4.2.3.2";
+  sha256 = "0jy48s4z1yn0wiaxzi3pws7j9j4ih2vqr8gr8md2i35g4bwxmxp2";
+  isLibrary = true;
+  isExecutable = true;
+  buildDepends = [
+    arrows binary brainfuck dataMemocombinators filepath haskellSrc
+    haskellSrcExts HTTP IOSpec lambdabotUtils logict MonadRandom mtl
+    network numbers oeis parsec random readline regexCompat show syb
+    tagsoup unlambda utf8String vectorSpace
+  ];
+  meta = {
+    homepage = "http://haskell.org/haskellwiki/Lambdabot";
+    description = "Lambdabot is a development tool and advanced IRC bot";
+    license = "GPL";
+    platforms = self.ghc.meta.platforms;
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index ddfbdac9469..7824b4ab188 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -961,6 +961,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   languageHaskellExtract = callPackage ../development/libraries/haskell/language-haskell-extract {};
 
+  lambdabot = callPackage ../development/libraries/haskell/lambdabot/default.nix {};
+
   largeword = callPackage ../development/libraries/haskell/largeword {};
 
   lazysmallcheck = callPackage ../development/libraries/haskell/lazysmallcheck {};