diff --git a/gn/BUILD.gn b/gn/BUILD.gn
index 0cfe7035..5b8071e9 100644
--- a/gn/BUILD.gn
+++ b/gn/BUILD.gn
@@ -38,6 +38,8 @@ source_set("spirv_cross_sources") {
     "../spirv_cross_util.hpp",
     "../spirv_glsl.cpp",
     "../spirv_glsl.hpp",
+    "../spirv_hlsl.cpp",
+    "../spirv_hlsl.hpp",    
     "../spirv_msl.cpp",
     "../spirv_msl.hpp",
     "../spirv_parser.cpp",