diff --git a/.gitignore b/.gitignore
index 2af0abf..2c1f703 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,6 +41,8 @@ jats
 *.deps
 *.dot
 
-# Development scripts
 
-setenv.sh
+# Python bytecode cache
+__pycache__
+*.pyc
+