diff --git a/src/main/java/com/moneymong/domain/user/api/UserController.java b/src/main/java/com/moneymong/domain/user/api/UserController.java
index 7dd9a22..2d63b42 100644
--- a/src/main/java/com/moneymong/domain/user/api/UserController.java
+++ b/src/main/java/com/moneymong/domain/user/api/UserController.java
@@ -10,6 +10,7 @@
 import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.*;
 
@@ -17,6 +18,7 @@
 @RequestMapping("/api/v1/users")
 @RequiredArgsConstructor
 @RestController
+@Slf4j
 public class UserController {
 
     private final UserFacadeService userFacadeService;
@@ -27,6 +29,7 @@ public class UserController {
     public LoginSuccessResponse login(
             @RequestBody @Valid LoginRequest loginRequest
     ) {
+        log.info("login request: {}", loginRequest);
         return userFacadeService.login(loginRequest);
     }
 
diff --git a/src/main/java/com/moneymong/domain/user/api/request/LoginRequest.java b/src/main/java/com/moneymong/domain/user/api/request/LoginRequest.java
index 6ea1fbd..1548ce0 100644
--- a/src/main/java/com/moneymong/domain/user/api/request/LoginRequest.java
+++ b/src/main/java/com/moneymong/domain/user/api/request/LoginRequest.java
@@ -2,7 +2,9 @@
 
 import jakarta.validation.constraints.NotBlank;
 import lombok.Getter;
+import lombok.ToString;
 
+@ToString
 @Getter
 public class LoginRequest {
     @NotBlank