diff --git a/utils/gn/secondary/clang-tools-extra/clang-tidy/llvm/BUILD.gn b/utils/gn/secondary/clang-tools-extra/clang-tidy/llvm/BUILD.gn
index d2d24a52aed..a956c16b211 100644
--- a/utils/gn/secondary/clang-tools-extra/clang-tidy/llvm/BUILD.gn
+++ b/utils/gn/secondary/clang-tools-extra/clang-tidy/llvm/BUILD.gn
@@ -17,6 +17,7 @@ static_library("llvm") {
     "IncludeOrderCheck.cpp",
     "LLVMTidyModule.cpp",
     "PreferIsaOrDynCastInConditionalsCheck.cpp",
+    "PreferRegisterOverUnsignedCheck.cpp",
     "TwineLocalCheck.cpp",
   ]
 }