diff --git a/frontend/src/features/member/hooks/useNickname.ts b/frontend/src/features/member/hooks/useNickname.ts
index 84ac4467..83ce1ccc 100644
--- a/frontend/src/features/member/hooks/useNickname.ts
+++ b/frontend/src/features/member/hooks/useNickname.ts
@@ -22,8 +22,8 @@ const useNickname = () => {
   const handleChangeNickname: React.ChangeEventHandler<HTMLInputElement> = (event) => {
     const currentNickname = event.currentTarget.value;
     setNicknameEntered(currentNickname);
-    if (currentNickname.length < 2 || currentNickname.length > 10) {
-      setNicknameErrorMessage('2글자 이상 10글자 이하 문자만 가능합니다.');
+    if (currentNickname.length < 2 || currentNickname.length > 20) {
+      setNicknameErrorMessage('2글자 이상 20글자 이하 문자만 가능합니다.');
     } else if (currentNickname === user?.nickname) {
       setNicknameErrorMessage('이전과 다른 닉네임으로 변경해주세요.');
     } else {