diff --git a/pkgs/development/libraries/haskell/cassava/default.nix b/pkgs/development/libraries/haskell/cassava/default.nix
new file mode 100644
index 00000000000..822cd41e4da
--- /dev/null
+++ b/pkgs/development/libraries/haskell/cassava/default.nix
@@ -0,0 +1,24 @@
+{ cabal, attoparsec, blazeBuilder, deepseq, HUnit, QuickCheck
+, testFramework, testFrameworkHunit, testFrameworkQuickcheck2, text
+, unorderedContainers, vector
+}:
+
+cabal.mkDerivation (self: {
+  pname = "cassava";
+  version = "0.2.2.0";
+  sha256 = "0jv8lb9z7yf8rddyac0frsw4d1gchrgx8l9rryhl88gs7jss7dh7";
+  buildDepends = [
+    attoparsec blazeBuilder deepseq text unorderedContainers vector
+  ];
+  testDepends = [
+    attoparsec HUnit QuickCheck testFramework testFrameworkHunit
+    testFrameworkQuickcheck2 text unorderedContainers vector
+  ];
+  meta = {
+    homepage = "https://github.com/tibbe/cassava";
+    description = "A CSV parsing and encoding library";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+    maintainers = [ self.stdenv.lib.maintainers.ocharles ];
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index e97912f32fe..6a1baaf9083 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -684,6 +684,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
 
   carray = callPackage ../development/libraries/haskell/carray {};
 
+  cassava = callPackage ../development/libraries/haskell/cassava {};
+
   caseInsensitive_1_0_0_1 = callPackage ../development/libraries/haskell/case-insensitive/1.0.0.1.nix {};
   caseInsensitive_1_1_0_1 = callPackage ../development/libraries/haskell/case-insensitive/1.1.0.1.nix {};
   caseInsensitive = self.caseInsensitive_1_1_0_1;