diff --git a/effects.gypi b/effects.gypi
index 84d38ac..56ba59f 100644
--- a/effects.gypi
+++ b/effects.gypi
@@ -39,6 +39,7 @@
     '<(skia_src_path)/effects/SkLayerRasterizer.cpp',
     '<(skia_src_path)/effects/SkLerpXfermode.cpp',
     '<(skia_src_path)/effects/SkLightingImageFilter.cpp',
+    '<(skia_src_path)/effects/SkLumaXfermode.cpp',
     '<(skia_src_path)/effects/SkMagnifierImageFilter.cpp',
     '<(skia_src_path)/effects/SkMatrixConvolutionImageFilter.cpp',
     '<(skia_src_path)/effects/SkMergeImageFilter.cpp',
@@ -99,6 +100,7 @@
     '<(skia_include_path)/effects/SkLayerRasterizer.h',
     '<(skia_include_path)/effects/SkLerpXfermode.h',
     '<(skia_include_path)/effects/SkLightingImageFilter.h',
+    '<(skia_include_path)/effects/SkLumaXfermode.h',
     '<(skia_include_path)/effects/SkOffsetImageFilter.h',
     '<(skia_include_path)/effects/SkMorphologyImageFilter.h',
     '<(skia_include_path)/effects/SkPaintFlagsDrawFilter.h',
diff --git a/gmslides.gypi b/gmslides.gypi
index 76b6739..b2afc5e 100644
--- a/gmslides.gypi
+++ b/gmslides.gypi
@@ -68,6 +68,7 @@
     '../gm/inversepaths.cpp',
     '../gm/lerpmode.cpp',
     '../gm/lighting.cpp',
+    '../gm/lumamode.cpp',
     '../gm/image.cpp',
     '../gm/imagefiltersbase.cpp',
     '../gm/imagefilterscropped.cpp',
diff --git a/public_headers.gypi b/public_headers.gypi
index 10f30e5..472fe29 100644
--- a/public_headers.gypi
+++ b/public_headers.gypi
@@ -78,6 +78,7 @@
       'effects/SkMergeImageFilter.h',
       'effects/SkPerlinNoiseShader.h',
       'effects/SkLerpXfermode.h',
+      'effects/SkLumaXfermode.h',
       'effects/SkRectShaderImageFilter.h',
       'effects/SkMagnifierImageFilter.h',
       'effects/SkBicubicImageFilter.h',