diff --git a/.gitignore b/.gitignore
index 13cbffe..9fadc0a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+# Local dev worktrees (created by using-git-worktrees skill)
+.worktrees/
+
 # .NET build output
 bin/
 obj/