diff --git a/utils/captcha.js b/utils/captcha.js
index 50aee24..d14d31c 100644
--- a/utils/captcha.js
+++ b/utils/captcha.js
@@ -1,7 +1,7 @@
 const svgCaptcha = require('svg-captcha');
 
 function createCaptcha() {
-  const captcha = svgCaptcha.create({ size: 5, noise: 2, color: true });
+  const captcha = svgCaptcha.create({ size: 5, noise: 7, color: true });
   return { svg: captcha.data, text: captcha.text };
 }