diff --git a/.gitignore b/.gitignore
index 2ce1bbc..a506026 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,9 @@ store.json
 # Bot config (contains credentials)
 .story_kit/bot.toml
 
+# Matrix SDK state store
+.story_kit/matrix_store/
+
 # Agent worktrees (managed by the server, not tracked in git)
 .story_kit/worktrees/