diff --git a/alembic/versions/20250414_024110_fd7a3654_update_fruit.py b/alembic/versions/20250414_024110_fd7a3654_update_fruit.py
index 40ddbbe..1464208 100644
--- a/alembic/versions/20250414_024110_fd7a3654_update_fruit.py
+++ b/alembic/versions/20250414_024110_fd7a3654_update_fruit.py
@@ -17,11 +17,23 @@ def upgrade():
         sa.Column('id', sa.String(36), primary_key=True),
         sa.Column('name', sa.String(), nullable=False),
         sa.Column('color', sa.String(), nullable=False),
-        sa.Column('created_at', sa.DateTime(), server_default=sa.func.now()),
-        sa.Column('updated_at', sa.DateTime(), server_default=sa.func.now())
+        sa.Column('created_at', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP')),
+        sa.Column('updated_at', sa.DateTime(), server_default=sa.text('CURRENT_TIMESTAMP'))
     )
     op.create_index(op.f('ix_fruits_name'), 'fruits', ['name'], unique=False)
 
+    # Create trigger for updated_at
+    op.execute('''
+        CREATE TRIGGER trig_fruits_updated_at 
+        AFTER UPDATE ON fruits
+        FOR EACH ROW
+        BEGIN
+            UPDATE fruits SET updated_at = CURRENT_TIMESTAMP
+            WHERE id = NEW.id;
+        END;
+    ''')
+
 def downgrade():
+    op.execute('DROP TRIGGER IF EXISTS trig_fruits_updated_at')
     op.drop_index(op.f('ix_fruits_name'), table_name='fruits')
     op.drop_table('fruits')
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