diff --git a/src/snakeoil/klass.py b/src/snakeoil/klass.py
index 23d6d3c5..08daaab2 100644
--- a/src/snakeoil/klass.py
+++ b/src/snakeoil/klass.py
@@ -28,6 +28,8 @@
     "alias",
     "patch",
     "SlotsPicklingMixin",
+    "DirProxy",
+    "GetAttrProxy",
 )
 
 import inspect