diff --git a/clang/test/Modules/empty.modulemap b/clang/test/Modules/empty.modulemap
index f2d37c19d77bc..8cad8b67b9115 100644
--- a/clang/test/Modules/empty.modulemap
+++ b/clang/test/Modules/empty.modulemap
@@ -13,8 +13,8 @@
 // The module file should be identical each time we produce it.
 // RUN: diff %t/base.pcm %t/check.pcm
 //
-// We expect an empty module to be less than 60KB (and at least 10K, for now).
+// We expect an empty module to be less than 70KB (and at least 10K, for now).
 // RUN: wc -c %t/base.pcm | FileCheck --check-prefix=CHECK-SIZE %s
-// CHECK-SIZE: {{(^|[^0-9])[1-5][0-9][0-9][0-9][0-9]($|[^0-9])}}
+// CHECK-SIZE: {{(^|[^0-9])[1-6][0-9][0-9][0-9][0-9]($|[^0-9])}}
 
 module empty { header "Inputs/empty.h" export * }