diff --git a/library/src/main/java/com/pengrad/telegrambot/model/DirectMessagesTopic.kt b/library/src/main/java/com/pengrad/telegrambot/model/DirectMessagesTopic.kt
index 8a5f719b..62e2ad9c 100644
--- a/library/src/main/java/com/pengrad/telegrambot/model/DirectMessagesTopic.kt
+++ b/library/src/main/java/com/pengrad/telegrambot/model/DirectMessagesTopic.kt
@@ -2,7 +2,7 @@ package com.pengrad.telegrambot.model
 
 @Suppress("unused")
 data class DirectMessagesTopic (
-    @get:JvmName("topicId") val topicId: Int,
+    @get:JvmName("topicId") val topicId: Long,
     @get:JvmName("user") val user: User?
 ) {
 }
\ No newline at end of file
diff --git a/library/src/main/java/com/pengrad/telegrambot/request/AbstractSendRequest.kt b/library/src/main/java/com/pengrad/telegrambot/request/AbstractSendRequest.kt
index 5cb10e15..43d6f871 100644
--- a/library/src/main/java/com/pengrad/telegrambot/request/AbstractSendRequest.kt
+++ b/library/src/main/java/com/pengrad/telegrambot/request/AbstractSendRequest.kt
@@ -16,7 +16,7 @@ abstract class AbstractSendRequest<REQ : AbstractSendRequest<REQ>>(
 
     var businessConnectionId: String? by optionalRequestParameter()
     var messageThreadId: Int? by optionalRequestParameter()
-    var directMessagesTopicId: Int? by optionalRequestParameter()
+    var directMessagesTopicId: Long? by optionalRequestParameter()
     var disableNotification: Boolean? by optionalRequestParameter()
     var protectContent: Boolean? by optionalRequestParameter()
     var allowPaidBroadcast: Boolean? by optionalRequestParameter()
@@ -29,7 +29,7 @@ abstract class AbstractSendRequest<REQ : AbstractSendRequest<REQ>>(
 
     fun messageThreadId(messageThreadId: Int) = applySelf { this.messageThreadId = messageThreadId }
 
-    fun directMessagesTopicId(directMessagesTopicId: Int) = applySelf { this.directMessagesTopicId = directMessagesTopicId }
+    fun directMessagesTopicId(directMessagesTopicId: Long) = applySelf { this.directMessagesTopicId = directMessagesTopicId }
 
     fun disableNotification(disableNotification: Boolean) = applySelf { this.disableNotification = disableNotification }