diff --git a/test/SymbolGraph/Symbols/Macro.swift b/test/SymbolGraph/Symbols/Macro.swift
index af377b6376bac..54456f9944195 100644
--- a/test/SymbolGraph/Symbols/Macro.swift
+++ b/test/SymbolGraph/Symbols/Macro.swift
@@ -1,4 +1,4 @@
-// REQUIRES: swift_swift_parser, executable_test
+// REQUIRES: swift_swift_parser, executable_test, string_processing
 
 // RUN: %empty-directory(%t)