diff --git a/pkgs/development/libraries/haskell/arithmoi/default.nix b/pkgs/development/libraries/haskell/arithmoi/default.nix
new file mode 100644
index 000000000000..181937fdd807
--- /dev/null
+++ b/pkgs/development/libraries/haskell/arithmoi/default.nix
@@ -0,0 +1,14 @@
+{ cabal, mtl, random }:
+
+cabal.mkDerivation (self: {
+  pname = "arithmoi";
+  version = "0.4.0.3";
+  sha256 = "0idn312xzly636h13zmm7cw7ki64bpnniqc97nshqzgp8if5ycrc";
+  buildDepends = [ mtl random ];
+  meta = {
+    homepage = "https://bitbucket.org/dafis/arithmoi";
+    description = "Efficient basic number-theoretic functions. Primes, powers, integer logarithms.";
+    license = self.stdenv.lib.licenses.mit;
+    platforms = self.ghc.meta.platforms;
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 1db252bc97a1..ba83bd2a4d2a 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -468,6 +468,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   ansiWlPprint = callPackage ../development/libraries/haskell/ansi-wl-pprint {};
 
+  arithmoi = callPackage ../development/libraries/haskell/arithmoi {};
+
   arrows = callPackage ../development/libraries/haskell/arrows {};
 
   asn1Data = callPackage ../development/libraries/haskell/asn1-data {};