diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 37d513a9246..d2449a50360 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2031,7 +2031,7 @@ let
     inherit fetchurl stdenv builderDefsPackage;
   };
 
-  gcc = gcc44;
+  gcc = gcc45;
 
   gcc295 = wrapGCC (import ../development/compilers/gcc-2.95 {
     inherit fetchurl stdenv noSysDirs;