diff --git a/src/main/java/com/swmarastro/mykkumiserver/like/Likes.java b/src/main/java/com/swmarastro/mykkumiserver/like/Likes.java
index 11d3200..ca54494 100644
--- a/src/main/java/com/swmarastro/mykkumiserver/like/Likes.java
+++ b/src/main/java/com/swmarastro/mykkumiserver/like/Likes.java
@@ -11,6 +11,9 @@
 @Getter
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 @AllArgsConstructor(access = AccessLevel.PROTECTED)
+@Table(name = "likes", uniqueConstraints = {
+        @UniqueConstraint(columnNames = {"post_id", "user_id"})
+})
 public class Likes extends BaseEntity {
 
     @Id