diff --git a/MANIFEST.in b/MANIFEST.in
index 4591a1a..011066a 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -8,3 +8,5 @@ recursive-include rosetta/utils *
 recursive-include rosetta/templates *
 prune testproject
 prune rosetta/tests/__pycache__
+prune rosetta/utils/__pycache__
+prune rosetta/utils/microsofttranslator/__pycache__