diff --git a/takahe/settings.py b/takahe/settings.py
index a2724f1..93ad285 100644
--- a/takahe/settings.py
+++ b/takahe/settings.py
@@ -148,8 +148,8 @@ class Settings(BaseSettings):
     REMOTE_PRUNE_HORIZON: int = 90
 
     # Stator tuning
-    STATOR_CONCURRENCY: int = 50
-    STATOR_CONCURRENCY_PER_MODEL: int = 15
+    STATOR_CONCURRENCY: int = 20
+    STATOR_CONCURRENCY_PER_MODEL: int = 4
 
     # If user migration is allowed (off by default until outbound is done)
     ALLOW_USER_MIGRATION: bool = False