Getting depreciation errors

I am seeing depreciation errors like this in my logs. Suggestions?

`WARNING - 2024-12-21 09:58:57 --> [DEPRECATED] Creation of dynamic property Datamweb\CIMC\Libraries\MultiCaptchaCI::$_reCaptcha_secret_key is deprecated in VENDORPATH/datamweb/codeigniter-multi-captcha/CIMultiCaptcha/Libraries/MultiCaptchaCI.php on line 72.`
