diff --git a/utils/gn/secondary/llvm/unittests/Support/BUILD.gn b/utils/gn/secondary/llvm/unittests/Support/BUILD.gn
index 527c7fc60a8..b283b09ba64 100644
--- a/utils/gn/secondary/llvm/unittests/Support/BUILD.gn
+++ b/utils/gn/secondary/llvm/unittests/Support/BUILD.gn
@@ -44,6 +44,7 @@ unittest("SupportTests") {
     "LockFileManagerTest.cpp",
     "MD5Test.cpp",
     "ManagedStatic.cpp",
+    "MatchersTest.cpp",
     "MathExtrasTest.cpp",
     "MemoryBufferTest.cpp",
     "MemoryTest.cpp",