diff --git a/Package.swift b/Package.swift
index 25eb32127bf..532d49a322d 100644
--- a/Package.swift
+++ b/Package.swift
@@ -10,6 +10,8 @@
  See http://swift.org/CONTRIBUTORS.txt for Swift project authors
 */
 
+// This is an empty patch, used to diagnose CI build failures.
+
 import PackageDescription
 
 let package = Package(