diff --git a/db/migrations/0001_create_assistants.rb b/db/migrations/0001_create_assistants.rb
index a353b95..c9b05e3 100644
--- a/db/migrations/0001_create_assistants.rb
+++ b/db/migrations/0001_create_assistants.rb
@@ -13,7 +13,7 @@ Sequel.migration do
       Float :eval_rate
       String :capabilities
       String :test_results
-      DateTime :created_at, null: false
+      DateTime :created_at, null: false, default: Sequel::CURRENT_TIMESTAMP
     end
   end
-end
\ No newline at end of file
+end