diff --git a/six.py b/six.py
index 529332582..19a75b061 100644
--- a/six.py
+++ b/six.py
@@ -135,6 +135,9 @@ def __dir__(self):
     # Subclasses should override this
     _moved_attributes = []
 
+    def __reduce__(self):
+        return _import_module, (self.__name__,)
+
 
 class MovedAttribute(_LazyDescr):