diff --git a/pkgs/development/libraries/haskell/network/2.4.2.0.nix b/pkgs/development/libraries/haskell/network/2.4.2.0.nix
new file mode 100644
index 00000000000..2912138daf7
--- /dev/null
+++ b/pkgs/development/libraries/haskell/network/2.4.2.0.nix
@@ -0,0 +1,20 @@
+{ cabal, HUnit, parsec, testFramework, testFrameworkHunit
+, testFrameworkQuickcheck2
+}:
+
+cabal.mkDerivation (self: {
+  pname = "network";
+  version = "2.4.2.0";
+  sha256 = "1v6iwww8xym0sr2593ri0aa6gcs6n2975fi9gaz9n7rizbqm88qs";
+  buildDepends = [ parsec ];
+  testDepends = [
+    HUnit testFramework testFrameworkHunit testFrameworkQuickcheck2
+  ];
+  meta = {
+    homepage = "https://github.com/haskell/network";
+    description = "Low-level networking interface";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+    maintainers = [ self.stdenv.lib.maintainers.andres ];
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index f3d7f43e85b..2439c427741 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -154,7 +154,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
     HTTP         = self.HTTP_4000_2_8;
     HUnit        = self.HUnit_1_2_5_2;
     mtl          = self.mtl_2_1_2;
-    network      = self.network_2_4_1_2;
+    network      = self.network_2_4_2_0;
     OpenGL       = self.OpenGL_2_8_0_0;
     OpenGLRaw    = self.OpenGLRaw_1_4_0_0;
     parallel     = self.parallel_3_2_0_3;
@@ -1548,7 +1548,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
   network_2_3_0_13 = callPackage ../development/libraries/haskell/network/2.3.0.13.nix {};
   network_2_3_1_0 = callPackage ../development/libraries/haskell/network/2.3.1.0.nix {};
   network_2_4_1_2 = callPackage ../development/libraries/haskell/network/2.4.1.2.nix {};
-  network = self.network_2_4_1_2;
+  network_2_4_2_0 = callPackage ../development/libraries/haskell/network/2.4.2.0.nix {};
+  network = self.network_2_4_2_0;
 
   networkConduit = callPackage ../development/libraries/haskell/network-conduit {};
   networkConduitTls = callPackage ../development/libraries/haskell/network-conduit-tls {};