diff --git a/pkgs/development/libraries/haskell/gamma/default.nix b/pkgs/development/libraries/haskell/gamma/default.nix
new file mode 100755
index 000000000000..96b8f6035ac0
--- /dev/null
+++ b/pkgs/development/libraries/haskell/gamma/default.nix
@@ -0,0 +1,15 @@
+{cabal, continuedFractions, converge, vector} :
+
+cabal.mkDerivation (self : {
+  pname = "gamma";
+  version = "0.7.0.1";
+  sha256 = "0728b5mrzmj9hkaqvikl45jyi2p9hnkl2p6l9yv7wnw557yb0gb2";
+  propagatedBuildInputs = [ continuedFractions converge vector ];
+  meta = {
+    homepage = "https://github.com/mokus0/gamma";
+    description = "Gamma function and related functions.";
+    license = self.stdenv.lib.licenses.publicDomain;
+    platforms = self.stdenv.lib.platforms.haskellPlatforms;
+    maintainers = [ self.stdenv.lib.maintainers.simons ];
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index e718befb09fe..027886687c0c 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -531,6 +531,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   fingertree = callPackage ../development/libraries/haskell/fingertree {};
 
+  gamma = callPackage ../development/libraries/haskell/gamma {};
+
   gdiff = callPackage ../development/libraries/haskell/gdiff {};
 
   getOptions = callPackage ../development/libraries/haskell/get-options {};