diff --git a/src/main/resources/update/gitbucket-core_4.12.xml b/src/main/resources/update/gitbucket-core_4.12.xml
index 3e503ff..1f4b6d9 100644
--- a/src/main/resources/update/gitbucket-core_4.12.xml
+++ b/src/main/resources/update/gitbucket-core_4.12.xml
@@ -31,6 +31,7 @@
     <column name="USER_NAME" type="varchar(100)" nullable="false"/>
     <column name="REPOSITORY_NAME" type="varchar(100)" nullable="false"/>
     <column name="RELEASE_ID" type="int" nullable="false"/>
+    <column name="RELEASE_ASSET_ID" type="int" nullable="false" autoIncrement="true" unique="true"/>
     <column name="FILE_NAME" type="varchar(260)" nullable="false"/>
     <column name="LABEL" type="varchar(100)" nullable="true"/>
     <column name="SIZE" type="bigint" nullable="false"/>
diff --git a/src/main/scala/gitbucket/core/model/ReleasesAsset.scala b/src/main/scala/gitbucket/core/model/ReleasesAsset.scala
index 8125348..166474d 100644
--- a/src/main/scala/gitbucket/core/model/ReleasesAsset.scala
+++ b/src/main/scala/gitbucket/core/model/ReleasesAsset.scala
@@ -11,6 +11,7 @@
   lazy val ReleaseAssets = TableQuery[ReleaseAssets]
 
   class ReleaseAssets(tag : Tag) extends Table[ReleaseAsset](tag, "RELEASE_ASSET") with ReleaseTemplate {
+    val releaseAssetId = column[Int]("RELEASE_ASSET_ID", O AutoInc)
     val fileName = column[String]("FILE_NAME")
     val label = column[String]("LABEL")
     val size = column[Long]("SIZE")
@@ -18,7 +19,7 @@
     val registeredDate = column[Date]("REGISTERED_DATE")
     val updatedDate = column[Date]("UPDATED_DATE")
 
-    def * = (userName, repositoryName, releaseId, fileName, label, size, uploader, registeredDate, updatedDate) <> (ReleaseAsset.tupled, ReleaseAsset.unapply)
+    def * = (userName, repositoryName, releaseId, releaseAssetId, fileName, label, size, uploader, registeredDate, updatedDate) <> (ReleaseAsset.tupled, ReleaseAsset.unapply)
 
     def byPrimaryKey(owner: String, repository: String, releaseId: Int, fileName: String) = byRelease(owner, repository, releaseId) && (this.fileName === fileName.bind)
   }
@@ -29,6 +30,7 @@
   userName: String,
   repositoryName: String,
   releaseId: Int,
+  releaseAssetId: Int = 0,
   fileName: String,
   label: String,
   size: Long,