diff --git a/src/main/java/com/movelog/domain/auth/application/AuthService.java b/src/main/java/com/movelog/domain/auth/application/AuthService.java
index 850157b..e01a0ff 100644
--- a/src/main/java/com/movelog/domain/auth/application/AuthService.java
+++ b/src/main/java/com/movelog/domain/auth/application/AuthService.java
@@ -58,4 +58,9 @@ public Message unlinkAccount(Long userId) {
                 .message("회원 탈퇴에 성공 했습니다.")
                 .build();
     }
+    @Transactional
+    public void changeIsRegistered(Long id) {
+        User user = userRepository.findById(id).get();
+        user.updateIsRegistered();
+    }
 }
diff --git a/src/main/java/com/movelog/domain/auth/presentation/AuthController.java b/src/main/java/com/movelog/domain/auth/presentation/AuthController.java
index 57cca53..dcb0d63 100644
--- a/src/main/java/com/movelog/domain/auth/presentation/AuthController.java
+++ b/src/main/java/com/movelog/domain/auth/presentation/AuthController.java
@@ -24,8 +24,11 @@
 import jakarta.persistence.EntityNotFoundException;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.ResponseEntity;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.Optional;
+
 @Tag(name = "Authorization", description = "Authorization API")
 @RestController
 @RequestMapping("/auth")
@@ -59,7 +62,7 @@ public ResponseEntity<AuthRes> login(@RequestBody IdTokenReq idTokenReq) {
         String email = authService.findEmail(providerId);
 
         String accessToken = jwtUtil.createJwt("access", providerId, "ROLE_USER", 3600000L, email);
-
+        System.out.println("accessToken = " + accessToken);
         User user = userRepository.findByProviderId(providerId)
                 .orElseThrow(EntityNotFoundException::new);
 
@@ -71,6 +74,17 @@ public ResponseEntity<AuthRes> login(@RequestBody IdTokenReq idTokenReq) {
 
         return ResponseEntity.ok(authRes);
     }
+    @Operation(summary = "회원 가입", description = "회원가입을 진행합니다.")
+    @ApiResponses(value = {
+            @ApiResponse(responseCode = "200", description = "로그인 성공", content = {@Content(mediaType = "application/json", array = @ArraySchema(schema = @Schema(implementation = AuthRes.class)))}),
+            @ApiResponse(responseCode = "400", description = "로그인 실패", content = {@Content(mediaType = "application/json", schema = @Schema(implementation = ErrorResponse.class))}),
+    })
+    @PostMapping("/sign-up")
+    public ResponseEntity<?> signUp(@AuthenticationPrincipal UserPrincipal userPrincipal) {
+        authService.changeIsRegistered(userPrincipal.getId());
+
+        return ResponseEntity.ok().build();
+    }
 
 
     @Operation(summary = "회원 탈퇴", description = "해당 유저의 가입을 탈퇴합니다.")
@@ -84,4 +98,5 @@ public ResponseEntity<Message> unlinkSocialAccount(
     ) {
         return ResponseEntity.ok(authService.unlinkAccount(userPrincipal.getId()));
     }
+
 }
diff --git a/src/main/java/com/movelog/domain/user/domain/User.java b/src/main/java/com/movelog/domain/user/domain/User.java
index 9b317ac..a318d09 100644
--- a/src/main/java/com/movelog/domain/user/domain/User.java
+++ b/src/main/java/com/movelog/domain/user/domain/User.java
@@ -49,4 +49,8 @@ public User(String nickname, String username, String email, String role, String
         this.providerId = providerId;
         this.isRegistered = false;
     }
+
+    public void updateIsRegistered() {
+        this.isRegistered = true;
+    }
 }