diff --git a/scripts/tables.sql b/scripts/tables.sql
index fbc4f8a88..2de368814 100644
--- a/scripts/tables.sql
+++ b/scripts/tables.sql
@@ -136,7 +136,8 @@ CREATE TABLE IF NOT EXISTS brains (
   max_tokens INT,
   temperature FLOAT,
   openai_api_key TEXT,
-  prompt_id UUID REFERENCES prompts(id)
+  prompt_id UUID REFERENCES prompts(id),
+  last_update TIMESTAMP DEFAULT CURRENT_TIMESTAMP
 );