diff --git a/codex/config.toml b/codex/config.toml
index 79e0698..4090682 100644
--- a/codex/config.toml
+++ b/codex/config.toml
@@ -9,6 +9,7 @@ approval_policy = "never"
 
 [agents]
 max_depth = 2
+max_concurrent_threads_per_session = 16
 
 [windows]
 sandbox = "elevated"