diff --git a/pkgs/tools/package-management/cabal-install/1.20.0.3.nix b/pkgs/tools/package-management/cabal-install/1.20.0.4.nix
similarity index 64%
rename from pkgs/tools/package-management/cabal-install/1.20.0.3.nix
rename to pkgs/tools/package-management/cabal-install/1.20.0.4.nix
index 1a18222ed6bc..a709ebc236f4 100644
--- a/pkgs/tools/package-management/cabal-install/1.20.0.3.nix
+++ b/pkgs/tools/package-management/cabal-install/1.20.0.4.nix
@@ -1,35 +1,34 @@
 # This file was auto-generated by cabal2nix. Please do NOT edit manually!
 
-{ cabal, Cabal, filepath, HTTP, HUnit, mtl, network, QuickCheck
-, random, stm, testFramework, testFrameworkHunit
+{ cabal, Cabal, filepath, HTTP, HUnit, mtl, network, networkUri
+, QuickCheck, random, stm, testFramework, testFrameworkHunit
 , testFrameworkQuickcheck2, time, zlib
 }:
 
 cabal.mkDerivation (self: {
   pname = "cabal-install";
-  version = "1.20.0.3";
-  sha256 = "050b9dc4khfc1fs283p1635zni25z4b55gi5ffwvg4mfpkrmdgfj";
+  version = "1.20.0.4";
+  sha256 = "171lkr8jw5k3l58gn41jmbp47kf3b8iq9dds0v8qx7wxzlxy0kz1";
   isLibrary = false;
   isExecutable = true;
   buildDepends = [
-    Cabal filepath HTTP mtl network random stm time zlib
+    Cabal filepath HTTP mtl network networkUri random stm time zlib
   ];
   testDepends = [
     Cabal filepath HTTP HUnit mtl network QuickCheck stm testFramework
     testFrameworkHunit testFrameworkQuickcheck2 time zlib
   ];
+  jailbreak = true;
+  doCheck = false;
   postInstall = ''
     mkdir $out/etc
     mv bash-completion $out/etc/bash_completion.d
   '';
-  patchPhase = ''
-    sed -i -e 's|random .*1.1,|random,|' cabal-install.cabal
-  '';
   meta = {
     homepage = "http://www.haskell.org/cabal/";
     description = "The command-line interface for Cabal and Hackage";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
-    maintainers = [ self.stdenv.lib.maintainers.andres ];
+    maintainers = with self.stdenv.lib.maintainers; [ andres ];
   };
 })
diff --git a/pkgs/top-level/haskell-defaults.nix b/pkgs/top-level/haskell-defaults.nix
index 9edabc13037f..538686b73ac4 100644
--- a/pkgs/top-level/haskell-defaults.nix
+++ b/pkgs/top-level/haskell-defaults.nix
@@ -15,13 +15,13 @@
   # Older compilers inherit the overrides from newer ones.
 
   ghcHEADPrefs = self : super : super // {
-    cabalInstall_1_20_0_3 = super.cabalInstall_1_20_0_3.override { Cabal = null; };
+    cabalInstall_1_20_0_4 = super.cabalInstall_1_20_0_4.override { Cabal = null; };
     mtl = self.mtl_2_2_1;
     transformersCompat = super.transformersCompat_0_3_3;
   };
 
   ghc783Prefs = self : super : ghcHEADPrefs self super // {
-    cabalInstall_1_20_0_3 = super.cabalInstall_1_20_0_3.override { Cabal = self.Cabal_1_20_0_2; };
+    cabalInstall_1_20_0_4 = super.cabalInstall_1_20_0_4.override { Cabal = self.Cabal_1_20_0_2; };
     codex = super.codex.override { hackageDb = super.hackageDb.override { Cabal = self.Cabal_1_20_0_2; }; };
     MonadRandom = self.MonadRandom_0_2_0_1; # newer versions require transformers >= 0.4.x
     mtl = self.mtl_2_1_3_1;
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 51b53743e94f..9c5110e48433 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -3148,11 +3148,8 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   cabalInstall_1_16_0_2 = callPackage ../tools/package-management/cabal-install/1.16.0.2.nix { Cabal = self.Cabal_1_16_0_3; };
   cabalInstall_1_18_0_3 = callPackage ../tools/package-management/cabal-install/1.18.0.3.nix { Cabal = self.Cabal_1_18_1_3; };
-  cabalInstall_1_20_0_3 = callPackage ../tools/package-management/cabal-install/1.20.0.3.nix {
-    HTTP = self.HTTP.override { network = self.network_2_5_0_0; };
-    Cabal = self.Cabal_1_20_0_2;
-  };
-  cabalInstall = self.cabalInstall_1_20_0_3;
+  cabalInstall_1_20_0_4 = callPackage ../tools/package-management/cabal-install/1.20.0.4.nix { Cabal = self.Cabal_1_20_0_2; };
+  cabalInstall = self.cabalInstall_1_20_0_4;
 
   codex = callPackage ../development/tools/haskell/codex {};