diff --git a/src/main/java/in/koreatech/koin/domain/community/article/model/ArticleSearchKeywordIpMap.java b/src/main/java/in/koreatech/koin/domain/community/article/model/ArticleSearchKeywordIpMap.java
index b901ee098..77e214d53 100644
--- a/src/main/java/in/koreatech/koin/domain/community/article/model/ArticleSearchKeywordIpMap.java
+++ b/src/main/java/in/koreatech/koin/domain/community/article/model/ArticleSearchKeywordIpMap.java
@@ -12,6 +12,7 @@
 import jakarta.persistence.JoinColumn;
 import jakarta.persistence.ManyToOne;
 import jakarta.persistence.Table;
+import jakarta.persistence.UniqueConstraint;
 import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -19,7 +20,8 @@
 @Getter
 @Entity
 @Table(name = "article_search_keyword_ip_map", indexes = {
-    @Index(name = "idx_ip_address", columnList = "ipAddress")
+    @Index(name = "idx_ip_address", columnList = "ipAddress")}, uniqueConstraints = {
+    @UniqueConstraint(name = "ux_keyword_ip", columnNames = {"keyword_id", "ipAddress"})
 })
 @NoArgsConstructor(access = PROTECTED)
 public class ArticleSearchKeywordIpMap extends BaseEntity {
diff --git a/src/main/resources/db/migration/V60__alter_search_keywords_and_ip_map_unique_cascade.sql b/src/main/resources/db/migration/V60__alter_search_keywords_and_ip_map_unique_cascade.sql
new file mode 100644
index 000000000..b2965a323
--- /dev/null
+++ b/src/main/resources/db/migration/V60__alter_search_keywords_and_ip_map_unique_cascade.sql
@@ -0,0 +1,9 @@
+ALTER TABLE `article_search_keywords`
+    MODIFY COLUMN `keyword` VARCHAR(255) NOT NULL UNIQUE;
+
+ALTER TABLE article_search_keyword_ip_map
+    ADD CONSTRAINT unique_keyword_ip UNIQUE (keyword_id, ip_address),
+    ADD CONSTRAINT fk_keyword_id
+    FOREIGN KEY (keyword_id)
+    REFERENCES article_search_keywords (id)
+    ON DELETE CASCADE;