diff --git a/src/main/java/sopt/org/HMH/domain/user/domain/User.java b/src/main/java/sopt/org/HMH/domain/user/domain/User.java
index 12ac7103..0015152d 100644
--- a/src/main/java/sopt/org/HMH/domain/user/domain/User.java
+++ b/src/main/java/sopt/org/HMH/domain/user/domain/User.java
@@ -31,6 +31,8 @@ public class User extends BaseTimeEntity {
 
     @Enumerated(EnumType.STRING)
     private SocialPlatform socialPlatform;
+
+    @Column(unique = true)
     private String socialId;
     private Integer point;