diff --git a/Python.gitignore b/Python.gitignore
index 087029a6..2e84e295 100644
--- a/Python.gitignore
+++ b/Python.gitignore
@@ -21,6 +21,12 @@ var/
 .installed.cfg
 *.egg
 
+# PyInstaller
+#  Usually these files are written by a python script from a template 
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
 # Installer logs
 pip-log.txt
 pip-delete-this-directory.txt