diff --git a/MANIFEST.in b/MANIFEST.in
index 326df51a2..88cb6bdb4 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -8,5 +8,4 @@ recursive-include tools *.py
 include tools/README.rst
 include tools/validate
 recursive-include test *.py
-include pymongo/time_helpers.h
-include pymongo/encoding_helpers.h
+recursive-include pymongo *.h