diff --git a/MANIFEST.in b/MANIFEST.in
index b342fcecefe..86edb9c56ac 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,5 @@
 include README
+include bin/import_xml.rng
 include bin/server.cert
 include bin/server.pkey
 recursive-include doc *