diff --git a/.gitignore b/.gitignore
index afdc4d4..7ea3d87 100644
--- a/.gitignore
+++ b/.gitignore
@@ -31,6 +31,9 @@ cat-eval-report.json
 # ── Docs ─────────────────────────────────────
 /docs/superpowers/
 
+# ── Git worktrees ─────────────────────────────
+.worktrees/
+
 # ── Shared ───────────────────────────────────
 .env
 .env.local