diff --git a/packages/core/src/config/remote_config.json5 b/packages/core/src/config/remote_config.json5
index 5691496..18d577a 100644
--- a/packages/core/src/config/remote_config.json5
+++ b/packages/core/src/config/remote_config.json5
@@ -4,6 +4,7 @@
       'github.githubassets.com': {
         '.*': {
           proxy: 'assets.fastgit.org',
+          backup: ['github.githubassets.com'],
           sni: null,
         }
       }