diff --git a/pkgs/development/compilers/ghc/7.8.2.nix b/pkgs/development/compilers/ghc/7.8.3.nix
similarity index 88%
rename from pkgs/development/compilers/ghc/7.8.2.nix
rename to pkgs/development/compilers/ghc/7.8.3.nix
index 8200c8c759e..dbcba36fa8f 100644
--- a/pkgs/development/compilers/ghc/7.8.2.nix
+++ b/pkgs/development/compilers/ghc/7.8.3.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl, ghc, perl, gmp, ncurses }:
 
 stdenv.mkDerivation rec {
-  version = "7.8.2";
+  version = "7.8.3";
   name = "ghc-${version}";
 
   src = fetchurl {
-    url = "http://www.haskell.org/ghc/dist/7.8.2/${name}-src.tar.xz";
-    sha256 = "15kyz98zq22sgwkzy2bkx0yz98qkrzgdigz919vafd7fxnkf3la5";
+    url = "http://www.haskell.org/ghc/dist/7.8.3/${name}-src.tar.xz";
+    sha256 = "0n5rhwl83yv8qm0zrbaxnyrf8x1i3b6si927518mwfxs96jrdkdh";
   };
 
   buildInputs = [ ghc perl gmp ncurses ];
diff --git a/pkgs/top-level/haskell-defaults.nix b/pkgs/top-level/haskell-defaults.nix
index d55a8be08f0..38d4774ce13 100644
--- a/pkgs/top-level/haskell-defaults.nix
+++ b/pkgs/top-level/haskell-defaults.nix
@@ -20,13 +20,13 @@
     transformersCompat = super.transformersCompat_0_3_3;
   };
 
-  ghc782Prefs = self : super : ghcHEADPrefs self super // {
+  ghc783Prefs = self : super : ghcHEADPrefs self super // {
     cabalInstall_1_20_0_3 = super.cabalInstall_1_20_0_3.override { Cabal = self.Cabal_1_20_0_1; };
     codex = super.codex.override { hackageDb = super.hackageDb.override { Cabal = self.Cabal_1_20_0_1; }; };
     mtl = self.mtl_2_1_2;
   };
 
-  ghc763Prefs = self : super : ghc782Prefs self super // {
+  ghc763Prefs = self : super : ghc783Prefs self super // {
     ariadne = super.ariadne.override {
       haskellNames = self.haskellNames.override {
         haskellPackages = self.haskellPackages.override { Cabal = self.Cabal_1_18_1_3; };
@@ -214,10 +214,10 @@
                };
              };
 
-  packages_ghc782 =
-    packages { ghcPath = ../development/compilers/ghc/7.8.2.nix;
+  packages_ghc783 =
+    packages { ghcPath = ../development/compilers/ghc/7.8.3.nix;
                ghcBinary = ghc742Binary;
-               prefFun = ghc782Prefs;
+               prefFun = ghc783Prefs;
              };
 
   packages_ghc763 =