diff --git a/pkgs/build-support/fetchurl/mirrors.nix b/pkgs/build-support/fetchurl/mirrors.nix
index eccfe1964ac..404c744eea2 100644
--- a/pkgs/build-support/fetchurl/mirrors.nix
+++ b/pkgs/build-support/fetchurl/mirrors.nix
@@ -44,6 +44,8 @@ rec {
 
   # GCC.
   gcc = [
+    https://bigsearcher.com/mirrors/gcc/
+    http://mirror.koddos.net/gcc/
     ftp://ftp.nluug.nl/mirror/languages/gcc/
     ftp://ftp.fu-berlin.de/unix/languages/gcc/
     ftp://ftp.irisa.fr/pub/mirrors/gcc.gnu.org/gcc/