diff --git a/llvm/utils/gn/secondary/clang-tools-extra/clang-tidy/bugprone/BUILD.gn b/llvm/utils/gn/secondary/clang-tools-extra/clang-tidy/bugprone/BUILD.gn
index ee83bdb868f2f..1e27fb3d7ad08 100644
--- a/llvm/utils/gn/secondary/clang-tools-extra/clang-tidy/bugprone/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang-tools-extra/clang-tidy/bugprone/BUILD.gn
@@ -79,6 +79,7 @@ static_library("bugprone") {
     "UndelegatedConstructorCheck.cpp",
     "UnhandledExceptionAtNewCheck.cpp",
     "UnhandledSelfAssignmentCheck.cpp",
+    "UnsafeFunctionsCheck.cpp",
     "UnusedRaiiCheck.cpp",
     "UnusedReturnValueCheck.cpp",
     "UseAfterMoveCheck.cpp",