diff --git a/src/constants/formValidationRules.ts b/src/constants/formValidationRules.ts
index d695f580..43d9efa7 100644
--- a/src/constants/formValidationRules.ts
+++ b/src/constants/formValidationRules.ts
@@ -104,6 +104,10 @@ export const USER_AUTH_VALIDATION_RULES = deepFreeze({
     required: '비밀번호를 한 번 더 입력해 주세요.',
     validate: (value: string) => value === password || '비밀번호가 일치하지 않습니다.',
   }),
+  NEW_PASSWORD: (currentPassword: string) => ({
+    ...USER_AUTH_VALIDATION_RULES.PASSWORD,
+    validate: (value: string) => value !== currentPassword || '신규 비밀번호가 현재 비밀번호와 동일합니다.',
+  }),
   ID: {
     required: '아이디를 입력해 주세요.',
     minLength: {
diff --git a/src/pages/setting/UserPasswordSettingPage.tsx b/src/pages/setting/UserPasswordSettingPage.tsx
index 5529b0b0..fcc8e123 100644
--- a/src/pages/setting/UserPasswordSettingPage.tsx
+++ b/src/pages/setting/UserPasswordSettingPage.tsx
@@ -20,8 +20,6 @@ export default function UserPasswordSettingPage() {
   });
 
   const onSubmit = async (data: UpdatePasswordForm) => {
-    if (watch('password') === watch('newPassword')) return toastError('신규 비밀번호가 현재 비밀번호와 동일합니다.');
-
     const { checkNewPassword, ...submitData } = data;
 
     // ToDo: useAxios 훅을 이용한 네트워크 로직으로 변경
@@ -53,7 +51,7 @@ export default function UserPasswordSettingPage() {
           label="신규 비밀번호"
           type="password"
           errors={errors.newPassword?.message}
-          register={register('newPassword', USER_AUTH_VALIDATION_RULES.PASSWORD)}
+          register={register('newPassword', USER_AUTH_VALIDATION_RULES.NEW_PASSWORD(watch('password')))}
         />
 
         {/* 신규 비밀번호 확인 */}