diff --git a/tests/SkRuntimeEffectTest.cpp b/tests/SkRuntimeEffectTest.cpp
index 2d90943..6b0d428 100644
--- a/tests/SkRuntimeEffectTest.cpp
+++ b/tests/SkRuntimeEffectTest.cpp
@@ -17,6 +17,7 @@
 #include "src/core/SkColorSpacePriv.h"
 #include "src/core/SkRuntimeEffectPriv.h"
 #include "src/core/SkTLazy.h"
+#include "src/gpu/GrCaps.h"
 #include "src/gpu/GrColor.h"
 #include "src/gpu/GrDirectContextPriv.h"
 #include "src/gpu/GrFragmentProcessor.h"