diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6e2458b24e03..c4f13081a9da 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2195,7 +2195,7 @@ let
     profiledCompiler = false;
   });
 
-  gcj = gcj44;
+  gcj = gcj45;
 
   gcj44 = wrapGCC (gcc44_real.gcc.override {
     name = "gcj";