diff --git a/.gitignore b/.gitignore
index ea3dcba5..aeaef88d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -46,6 +46,10 @@ tmp/
 temp/
 *.tmp
 
+# Planning and instruction files
+plan.md
+CLAUDE.md
+
 # Package files
 *.tgz