diff --git a/llvm/utils/gn/secondary/clang-tools-extra/clang-tidy/altera/BUILD.gn b/llvm/utils/gn/secondary/clang-tools-extra/clang-tidy/altera/BUILD.gn
index d46111bd6ed2d0..dff088d817114c 100644
--- a/llvm/utils/gn/secondary/clang-tools-extra/clang-tidy/altera/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang-tools-extra/clang-tidy/altera/BUILD.gn
@@ -14,6 +14,7 @@ static_library("altera") {
   sources = [
     "AlteraTidyModule.cpp",
     "KernelNameRestrictionCheck.cpp",
+    "SingleWorkItemBarrierCheck.cpp",
     "StructPackAlignCheck.cpp",
   ]
 }