diff --git a/src/ai/backend/manager/models/alembic/versions/1d42c726d8a3_migrate_container_registries_from_etcd_to_psql.py b/src/ai/backend/manager/models/alembic/versions/1d42c726d8a3_migrate_container_registries_from_etcd_to_psql.py
index 9108092c32b..40905a5ce1a 100644
--- a/src/ai/backend/manager/models/alembic/versions/1d42c726d8a3_migrate_container_registries_from_etcd_to_psql.py
+++ b/src/ai/backend/manager/models/alembic/versions/1d42c726d8a3_migrate_container_registries_from_etcd_to_psql.py
@@ -65,7 +65,7 @@ class ContainerRegistryRow(Base):
         )
         project = sa.Column("project", sa.String(length=255), nullable=False)
         username = sa.Column("username", sa.String(length=255), nullable=True)
-        password = sa.Column("password", sa.String(length=255), nullable=True)
+        password = sa.Column("password", sa.String, nullable=True)
         ssl_verify = sa.Column("ssl_verify", sa.Boolean, server_default=sa.text("true"), index=True)
         is_global = sa.Column("is_global", sa.Boolean, server_default=sa.text("true"), index=True)
 
diff --git a/src/ai/backend/manager/models/container_registry.py b/src/ai/backend/manager/models/container_registry.py
index fe314e6c483..1ae189ddf97 100644
--- a/src/ai/backend/manager/models/container_registry.py
+++ b/src/ai/backend/manager/models/container_registry.py
@@ -59,7 +59,7 @@ class ContainerRegistryRow(Base):
     )
     project = sa.Column("project", sa.String(length=255), index=True, nullable=False)
     username = sa.Column("username", sa.String(length=255), nullable=True)
-    password = sa.Column("password", sa.String(length=255), nullable=True)
+    password = sa.Column("password", sa.String, nullable=True)
     ssl_verify = sa.Column(
         "ssl_verify", sa.Boolean, nullable=True, server_default=sa.text("true"), index=True
     )