diff --git a/MANIFEST.in b/MANIFEST.in
index 42f85156ee8082536631331308fe969cde6da399..8f65033c7153618b78bfde9222dc965e5102c5e7 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -3,5 +3,5 @@ include README.md
 
 recursive-include docs *
 recursive-exclude tests *
-recursive-include sid/interfaces *
+recursive-include sid/interface/opah *.py *.pyi
 recursive-include proto *
\ No newline at end of file