diff --git a/MANIFEST.in b/MANIFEST.in
index 558d310..22c7944 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -3,5 +3,7 @@ include tests/*.bin
 include tests/*.py
 include tests/sub/*.oph
 include tests/sub/sub/*.oph
+include doc/*.sgm
+include doc/ophismanual.pdf
 graft examples
 graft platform