diff --git a/migrations/008_user_created_at.sql b/migrations/008_user_created_at.sql
index 7d2619f..99ccc2f 100644
--- a/migrations/008_user_created_at.sql
+++ b/migrations/008_user_created_at.sql
@@ -1,2 +1,2 @@
 ALTER TABLE users
-    ADD COLUMN created_at TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3);
+    ADD COLUMN IF NOT EXISTS created_at TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3);