diff --git a/MANIFEST.in b/MANIFEST.in
index a1aea6b5..5ea63755 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,2 +1,5 @@
 include versioneer.py
 include pytng/_version.py
+recursive-include pytng/ *
+recursive-include tests/ *
+