diff --git a/.story_kit/.gitignore b/.story_kit/.gitignore
index 2e94b45..22fc74b 100644
--- a/.story_kit/.gitignore
+++ b/.story_kit/.gitignore
@@ -4,6 +4,7 @@ bot.toml
 # Matrix SDK state store
 matrix_store/
 matrix_device_id
+matrix_history.json
 
 # Agent worktrees and merge workspace (managed by the server, not tracked in git)
 worktrees/