diff --git a/CodeIgniter.gitignore b/CodeIgniter.gitignore
index 0f77d9e1d175c90e6048385f689e35830506bc23..e639a818f7771c5fd31f38179576a4c44a16a9f8 100644
--- a/CodeIgniter.gitignore
+++ b/CodeIgniter.gitignore
@@ -1,6 +1,13 @@
+.DS_Store
+
 */config/development
 */logs/log-*.php
 !*/logs/index.html
 */cache/*
 !*/cache/index.html
 !*/cache/.htaccess
+
+user_guide_src/build/*
+user_guide_src/cilexer/build/*
+user_guide_src/cilexer/dist/*
+user_guide_src/cilexer/pycilexer.egg-info/*