diff --git a/Python.gitignore b/Python.gitignore
index f76ed7405c8b93483b17b8d0ad3c08cf39a5a10b..869a3cf095336c8aef1c9cb8b220323fcfccb0db 100644
--- a/Python.gitignore
+++ b/Python.gitignore
@@ -18,6 +18,9 @@ develop-eggs
 lib
 lib64
 
+# The new '__pycache__' in Python 3
+__pycache__
+
 # Installer logs
 pip-log.txt