diff --git a/MANIFEST.in b/MANIFEST.in
index dcdce6ae..efa4dc5a 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,5 +1,5 @@
 include LICENSE COPYRIGHT *.md *.in requirements.txt
-recursive-include pymatgen_diffusion *.py
+recursive-include pymatgen *.py
 recursive-include scripts *.py
 prune */tests
 prune */*/tests