diff --git a/.gitignore b/.gitignore
index 847137f1..722b0011 100644
--- a/.gitignore
+++ b/.gitignore
@@ -210,6 +210,9 @@ pyrightconfig.json
 # Local Superpowers/subagent progress ledgers
 .superpowers/
 
+# Local isolated implementation worktrees
+.worktrees/
+
 # Playwright browser-test output
 web/apps/console/test-results/