diff --git a/frontend/src/routes/account/register/+page.svelte b/frontend/src/routes/account/register/+page.svelte
index 535607a..a2ee02a 100644
--- a/frontend/src/routes/account/register/+page.svelte
+++ b/frontend/src/routes/account/register/+page.svelte
@@ -18,7 +18,11 @@
 
 	const registerSchema = yup.object({
 		email: yup.string().email('Email must be valid!').required(),
-		password1: yup.string().required().min(8, 'Password must be at least 8 characters long!'),
+		password1: yup
+			.string()
+			.required()
+			.min(8, 'Password must be at least 8 characters long!')
+			.max(100, 'Password must be at most 100 characters long!'),
 		password2: yup
 			.string()
 			.required()