diff --git a/migrations/public/versions/b853a06f4bf4_language_llm_fields_added.py b/migrations/public/versions/b853a06f4bf4_language_llm_fields_added.py
new file mode 100644
index 0000000..52dceec
--- /dev/null
+++ b/migrations/public/versions/b853a06f4bf4_language_llm_fields_added.py
@@ -0,0 +1,62 @@
+"""Language & LLM fields added
+
+Revision ID: b853a06f4bf4
+Revises: 08e334d64cab
+Create Date: 2024-05-01 09:46:02.013322
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = 'b853a06f4bf4'
+down_revision = '08e334d64cab'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('roles_users', schema=None) as batch_op:
+        batch_op.drop_constraint('roles_users_role_id_fkey', type_='foreignkey')
+        batch_op.drop_constraint('roles_users_user_id_fkey', type_='foreignkey')
+        batch_op.create_foreign_key(None, 'user', ['user_id'], ['id'], referent_schema='public', ondelete='CASCADE')
+        batch_op.create_foreign_key(None, 'role', ['role_id'], ['id'], referent_schema='public', ondelete='CASCADE')
+
+    with op.batch_alter_table('tenant', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('default_language', sa.String(length=2), nullable=True))
+        batch_op.add_column(sa.Column('allowed_languages', postgresql.ARRAY(sa.String(length=2)), nullable=True))
+        batch_op.add_column(sa.Column('default_embedding_model', sa.String(length=50), nullable=True))
+        batch_op.add_column(sa.Column('allowed_embedding_models', postgresql.ARRAY(sa.String(length=50)), nullable=True))
+        batch_op.add_column(sa.Column('default_llm_model', sa.String(length=50), nullable=True))
+        batch_op.add_column(sa.Column('allowed_llm_models', postgresql.ARRAY(sa.String(length=50)), nullable=True))
+
+    with op.batch_alter_table('user', schema=None) as batch_op:
+        batch_op.drop_constraint('user_tenant_id_fkey', type_='foreignkey')
+        batch_op.create_foreign_key(None, 'tenant', ['tenant_id'], ['id'], referent_schema='public')
+
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    with op.batch_alter_table('user', schema=None) as batch_op:
+        batch_op.drop_constraint(None, type_='foreignkey')
+        batch_op.create_foreign_key('user_tenant_id_fkey', 'tenant', ['tenant_id'], ['id'])
+
+    with op.batch_alter_table('tenant', schema=None) as batch_op:
+        batch_op.drop_column('allowed_llm_models')
+        batch_op.drop_column('default_llm_model')
+        batch_op.drop_column('allowed_embedding_models')
+        batch_op.drop_column('default_embedding_model')
+        batch_op.drop_column('allowed_languages')
+        batch_op.drop_column('default_language')
+
+    with op.batch_alter_table('roles_users', schema=None) as batch_op:
+        batch_op.drop_constraint(None, type_='foreignkey')
+        batch_op.drop_constraint(None, type_='foreignkey')
+        batch_op.create_foreign_key('roles_users_user_id_fkey', 'user', ['user_id'], ['id'], ondelete='CASCADE')
+        batch_op.create_foreign_key('roles_users_role_id_fkey', 'role', ['role_id'], ['id'], ondelete='CASCADE')
+
+    # ### end Alembic commands ###
diff --git a/migrations/tenant/versions/45620002ae0d_additional_processing_fields_added_to_.py b/migrations/tenant/versions/45620002ae0d_additional_processing_fields_added_to_.py
new file mode 100644
index 0000000..f7c05a8
--- /dev/null
+++ b/migrations/tenant/versions/45620002ae0d_additional_processing_fields_added_to_.py
@@ -0,0 +1,34 @@
+"""Additional processing fields added to the model
+
+Revision ID: 45620002ae0d
+Revises: 4f22dd6260e3
+Create Date: 2024-05-01 21:55:26.729666
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '45620002ae0d'
+down_revision = '4f22dd6260e3'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('document_version', sa.Column('processing', sa.Boolean(), nullable=False))
+    op.add_column('document_version', sa.Column('processing_started_at', sa.DateTime(), nullable=True))
+    op.add_column('document_version', sa.Column('processing_finished_at', sa.DateTime(), nullable=True))
+    op.add_column('document_version', sa.Column('processing_error', sa.String(length=255), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('document_version', 'processing_error')
+    op.drop_column('document_version', 'processing_finished_at')
+    op.drop_column('document_version', 'processing_started_at')
+    op.drop_column('document_version', 'processing')
+    # ### end Alembic commands ###