CSRF Token Validation on GET Request method

I want to implement CSRF token on GET requests as well to overcome an existing vulnerability in which POST requests are changed to GET and can bypass security. How can I do that? (spring) Reference : https://portswigger.net/web-security/csrf/lab-token-validation-depends-on-request-method https://infinitelogins.com/2020/07/02/exploiting-cross-site-request-forgery-csrf-bypassing-defenses/