diff --git a/.gitignore b/.gitignore
index 3ddbafd0..fe8f3464 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,11 @@ gha-creds-*.json
 .claude/worktrees/
 
 
+# Design specs and implementation plans written by the Superpowers skill (brainstorming/writing-plans) - local planning notes, not meant to be shared in the repo
+docs/superpowers/plans/
+docs/superpowers/specs/
+
+
 # Logs:
 log/
 !**/src/**/log/