diff --git a/validation-test/stdlib/UnicodeScalarProperties.swift b/validation-test/stdlib/UnicodeScalarProperties.swift
index 18afefe084b56..a653e101a45b5 100644
--- a/validation-test/stdlib/UnicodeScalarProperties.swift
+++ b/validation-test/stdlib/UnicodeScalarProperties.swift
@@ -3,6 +3,7 @@
 // REQUIRES: long_test
 // REQUIRES: optimized_stdlib
 // REQUIRES: objc_interop
+// REQUIRES: rdar94270193
 
 import StdlibUnittest
 import StdlibUnicodeUnittest