diff --git a/pkgs/development/compilers/gcc-4.6/default.nix b/pkgs/development/compilers/gcc-4.6/default.nix
index 03d3b235f109..5fdb61576faa 100644
--- a/pkgs/development/compilers/gcc-4.6/default.nix
+++ b/pkgs/development/compilers/gcc-4.6/default.nix
@@ -46,7 +46,7 @@ assert cloog != null -> cloogppl == null;
 with stdenv.lib;
 with builtins;
 
-let version = "4.6.1";
+let version = "4.6.2";
     javaEcj = fetchurl {
       # The `$(top_srcdir)/ecj.jar' file is automatically picked up at
       # `configure' time.
diff --git a/pkgs/development/compilers/gcc-4.6/sources.nix b/pkgs/development/compilers/gcc-4.6/sources.nix
index e91f3facb8e4..dc85ff10b51c 100644
--- a/pkgs/development/compilers/gcc-4.6/sources.nix
+++ b/pkgs/development/compilers/gcc-4.6/sources.nix
@@ -1,31 +1,31 @@
 /* Automatically generated by `update-gcc.sh', do not edit.
-   For GCC 4.6.1.  */
+   For GCC 4.6.2.  */
 { fetchurl, optional, version, langC, langCC, langFortran, langJava, langAda,
   langGo }:
 
-assert version == "4.6.1";
+assert version == "4.6.2";
 optional /* langC */ true (fetchurl {
   url = "mirror://gcc/releases/gcc-${version}/gcc-core-${version}.tar.bz2";
-  sha256 = "0bbb8f754a31f29013f6e9ad4c755d92bb0f154a665c4b623e86ae7174d98e33";
+  sha256 = "dcbf391f05277b7e09d14d54f3bdaba5515a3a8e7dd1d8af93af3f6f68455e10";
 }) ++
 optional langCC (fetchurl {
   url = "mirror://gcc/releases/gcc-${version}/gcc-g++-${version}.tar.bz2";
-  sha256 = "44a91149bf4608aceb03b22209e5ec14ffe0c4003b11e3a368d6cebe5a327901";
+  sha256 = "5470bea8093438cf5840fbbef3546b6dba7b0153ef6a16e142c1fba1fac6e598";
 }) ++
 optional langFortran (fetchurl {
   url = "mirror://gcc/releases/gcc-${version}/gcc-fortran-${version}.tar.bz2";
-  sha256 = "a0069a4452572b46cc20f1a1b52dc839b69c1d25e19c147a782e439d6be0156b";
+  sha256 = "492becd732662349eaa5e7c4e458ac009df0ccb8904df54ae295d277c4d6be6f";
 }) ++
 optional langJava (fetchurl {
   url = "mirror://gcc/releases/gcc-${version}/gcc-java-${version}.tar.bz2";
-  sha256 = "728462275a0532714063803282d1ea815e35b5fd91a96f65a1f0a14da355765f";
+  sha256 = "d021a16816daeb5db9a3280909d846b38cbdb4cc0d9aa47714c49b08a81d11f1";
 }) ++
 optional langAda (fetchurl {
   url = "mirror://gcc/releases/gcc-${version}/gcc-ada-${version}.tar.bz2";
-  sha256 = "0e2958b7be2e7ec9d7847658262ce9276d6c75f91d53c48d7141848cfe3cd093";
+  sha256 = "9ac26821ad900d02ed251b62e6a0506ee12417b506a7bb9b02ec9f09e5d9c84f";
 }) ++
 optional langGo (fetchurl {
   url = "mirror://gcc/releases/gcc-${version}/gcc-go-${version}.tar.bz2";
-  sha256 = "9512347a76c46528d25295cd762f262c8265e99cee497dc2d66caddf9c021198";
+  sha256 = "1cafbb254d70f60c39a62a39a3b236674e02c875a1775057ddd33ffafe0fd4e1";
 }) ++
 []