diff --git a/src/main/java/demo/api/auth/AuthServiceImpl.java b/src/main/java/demo/api/auth/AuthServiceImpl.java
index 840c347..a98af71 100644
--- a/src/main/java/demo/api/auth/AuthServiceImpl.java
+++ b/src/main/java/demo/api/auth/AuthServiceImpl.java
@@ -99,7 +99,7 @@ public class AuthServiceImpl implements AuthService {
       }
 
       // 2. Access Token 에서 User email 를 가져옵니다.
-      Authentication authentication = jwtTokenProvider.getAuthentication(refresh_token);
+      Authentication authentication = jwtTokenProvider.getAuthenticationByRefreshToken(refresh_token);
 
       // 3. Redis 에서 User email 을 기반으로 저장된 Refresh Token 값을 가져옵니다.
       String refreshToken = (String)redisTemplate.opsForValue().get(authentication.getName());
diff --git a/src/main/java/demo/api/config/SecurityConfig.java b/src/main/java/demo/api/config/SecurityConfig.java
index 543b585..e1d7aeb 100644
--- a/src/main/java/demo/api/config/SecurityConfig.java
+++ b/src/main/java/demo/api/config/SecurityConfig.java
@@ -50,6 +50,7 @@ public class SecurityConfig {
             "/user/userList",
             "/auth/signIn*",
             "/user/profile/view/**",
+            "/auth/regenerateToken",
             "/favicon.ico"
         ).permitAll()
         .anyRequest().authenticated();
diff --git a/src/main/java/demo/api/jwt/JwtTokenFilter.java b/src/main/java/demo/api/jwt/JwtTokenFilter.java
index b807387..12cd523 100644
--- a/src/main/java/demo/api/jwt/JwtTokenFilter.java
+++ b/src/main/java/demo/api/jwt/JwtTokenFilter.java
@@ -27,7 +27,7 @@ public class JwtTokenFilter extends OncePerRequestFilter {
     String token = jwtTokenProvider.resolveToken(request);
     try {
       if (token != null && jwtTokenProvider.validateAccessToken(token)) {
-        Authentication auth = jwtTokenProvider.getAuthentication(token);
+        Authentication auth = jwtTokenProvider.getAuthenticationByAccessToken(token);
         SecurityContextHolder.getContext().setAuthentication(auth); // 정상 토큰이면 SecurityContext에 저장
       }
     } catch (CustomException e) {
diff --git a/src/main/java/demo/api/jwt/JwtTokenProvider.java b/src/main/java/demo/api/jwt/JwtTokenProvider.java
index d622f1f..7637216 100644
--- a/src/main/java/demo/api/jwt/JwtTokenProvider.java
+++ b/src/main/java/demo/api/jwt/JwtTokenProvider.java
@@ -74,17 +74,29 @@ public class JwtTokenProvider {
   }
 
   /**
-   * 토큰으로부터 클레임을 만들고, 이를 통해 User 객체를 생성하여 Authentication 객체를 반환
-   * @param token
+   * Access 토큰으로부터 클레임을 만들고, 이를 통해 User 객체를 생성하여 Authentication 객체를 반환
+   * @param access_token
    * @return
    */
-  public Authentication getAuthentication(String token) {
+  public Authentication getAuthenticationByAccessToken(String token) {
     String username = Jwts.parser().setSigningKey(access_token_secret_key).parseClaimsJws(token).getBody().getSubject();
     UserDetails userDetails = userDetailsService.loadUserByUsername(username);
     
     return new UsernamePasswordAuthenticationToken(userDetails, "", userDetails.getAuthorities());
   }
 
+  /**
+   * Refresh 토큰으로부터 클레임을 만들고, 이를 통해 User 객체를 생성하여 Authentication 객체를 반환
+   * @param refresh_token
+   * @return
+   */
+  public Authentication getAuthenticationByRefreshToken(String token) {
+    String username = Jwts.parser().setSigningKey(refresh_token_secret_key).parseClaimsJws(token).getBody().getSubject();
+    UserDetails userDetails = userDetailsService.loadUserByUsername(username);
+
+    return new UsernamePasswordAuthenticationToken(userDetails, "", userDetails.getAuthorities());
+  }
+
   /**
    * http 헤더로부터 bearer 토큰을 가져옴.
    * @param req