diff --git a/utils/gn/secondary/llvm/unittests/Support/BUILD.gn b/utils/gn/secondary/llvm/unittests/Support/BUILD.gn
index 00a5bfa..527c7fc 100644
--- a/utils/gn/secondary/llvm/unittests/Support/BUILD.gn
+++ b/utils/gn/secondary/llvm/unittests/Support/BUILD.gn
@@ -31,6 +31,7 @@
     "ErrnoTest.cpp",
     "ErrorOrTest.cpp",
     "ErrorTest.cpp",
+    "FileCheckTest.cpp",
     "FileOutputBufferTest.cpp",
     "FormatVariadicTest.cpp",
     "GlobPatternTest.cpp",