diff --git a/gn/gpu.gni b/gn/gpu.gni
index e9b44cb..6dcb891 100644
--- a/gn/gpu.gni
+++ b/gn/gpu.gni
@@ -635,6 +635,9 @@
   "$_src/gpu/mtl/GrMtlGpu.h",
   "$_src/gpu/mtl/GrMtlGpu.mm",
   "$_src/gpu/mtl/GrMtlGpuCommandBuffer.h",
+  "$_src/gpu/mtl/GrMtlPipelineState.h",
+  "$_src/gpu/mtl/GrMtlPipelineStateBuilder.h",
+  "$_src/gpu/mtl/GrMtlPipelineStateBuilder.mm",
   "$_src/gpu/mtl/GrMtlRenderTarget.h",
   "$_src/gpu/mtl/GrMtlRenderTarget.mm",
   "$_src/gpu/mtl/GrMtlResourceProvider.h",