diff --git a/.gitignore b/.gitignore
index 96fb1b5394..2c5e2e40be 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,5 @@
 /build*/
 /install*/
 /win/BuildDepsCache*.txt
+/src/ifcexpressparser/__pycache__
+/src/ifcexpressparser/express_parser.py