diff --git a/MANIFEST.in b/MANIFEST.in
index 470b9d6e..52e6f3cf 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,4 @@
-recursive-include psycopg *.c *.h
+recursive-include psycopg *.c *.h *.manifest
 recursive-include lib *.py
 recursive-include tests *.py
 recursive-include ZPsycopgDA *.py *.gif *.dtml