diff --git a/NAMESPACE b/NAMESPACE
index a8c3416..67459a5 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -10,6 +10,8 @@ export(BaseRegressor)
 export(BaseClassifier)
 export(BcnRegressor)
 export(BcnClassifier)
+export(ExtraTreesRegressor)
+export(ExtraTreesClassifier)
 export(GlmnetRegressor)
 export(GlmnetClassifier)
 export(KernelRidgeRegressor)