diff --git a/.gitignore b/.gitignore
index a5cad91e..053a1b8e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -60,3 +60,6 @@ comparison-report/
 # Claude Code local scratch
 .claude/
 .dev.pid
+
+# Git worktrees (subagent-driven development workspaces)
+.worktrees/