diff --git a/tool/sync_default_gems.rb b/tool/sync_default_gems.rb
index ae3fcbce61..7a5e190c2d 100755
--- a/tool/sync_default_gems.rb
+++ b/tool/sync_default_gems.rb
@@ -73,7 +73,7 @@ REPOSITORIES = {
   pathname: "ruby/pathname",
   digest: "ruby/digest",
   error_highlight: "ruby/error_highlight",
-  syntax_suggest: "zombocom/syntax_suggest",
+  syntax_suggest: "ruby/syntax_suggest",
   un: "ruby/un",
   win32ole: "ruby/win32ole",
 }