diff --git a/pkgs/build-support/fetchurl/mirrors.nix b/pkgs/build-support/fetchurl/mirrors.nix
index d09b775d42c..2138a487f8e 100644
--- a/pkgs/build-support/fetchurl/mirrors.nix
+++ b/pkgs/build-support/fetchurl/mirrors.nix
@@ -385,7 +385,7 @@ rec {
   # Steam Runtime mirrors
   steamrt = [
     http://repo.steampowered.com/steamrt/
-    https://abbradar.net/steamrt/
+    https://public.abbradar.moe/steamrt/
   ];
 
   # Python PyPI mirrors