diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt
index 3f99398572..ac4ea8ec88 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/Common.kt
@@ -234,6 +234,7 @@ const val isAnimatedField = "is_animated"
 const val isVideoField = "is_video"
 const val inviteLinkField = "invite_link"
 const val viaChatFolderInviteLinkField = "via_chat_folder_invite_link"
+const val viaJoinRequestField = "via_join_request"
 const val pinnedMessageField = "pinned_message"
 const val activeUsernamesField = "active_usernames"
 const val customTitleField = "custom_title"
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/chat/member/ChatMemberUpdated.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/chat/member/ChatMemberUpdated.kt
index 2f3166bdf9..068c817ded 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/chat/member/ChatMemberUpdated.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/chat/member/ChatMemberUpdated.kt
@@ -24,5 +24,7 @@ data class ChatMemberUpdated(
     @SerialName(inviteLinkField)
     val inviteLink: ChatInviteLink? = null,
     @SerialName(viaChatFolderInviteLinkField)
-    val viaChatFolderInviteLink: Boolean? = false
+    val viaChatFolderInviteLink: Boolean? = false,
+    @SerialName(viaJoinRequestField)
+    val viaJoinRequest: Boolean? = false
 ) : WithPreviewChat, WithUser