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 1aec90b33c..8c89fdf0d5 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
@@ -355,6 +355,7 @@ const val providerPaymentChargeIdField = "provider_payment_charge_id"
 const val providerTokenField = "provider_token"
 const val providerDataField = "provider_data"
 const val usersField = "users"
+const val startDateField = "start_date"
 
 const val requireNameField = "need_name"
 const val requirePhoneNumberField = "need_phone_number"
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/ChatEvents/voice/VoiceChatScheduled.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/ChatEvents/voice/VoiceChatScheduled.kt
new file mode 100644
index 0000000000..548eea8e92
--- /dev/null
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/ChatEvents/voice/VoiceChatScheduled.kt
@@ -0,0 +1,12 @@
+package dev.inmo.tgbotapi.types.message.ChatEvents.voice
+
+import dev.inmo.tgbotapi.types.*
+import dev.inmo.tgbotapi.types.message.ChatEvents.abstracts.VoiceChatEvent
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class VoiceChatScheduled(
+    @SerialName(startDateField)
+    val startDate: TelegramDate
+) : VoiceChatEvent
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/RawMessage.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/RawMessage.kt
index 2d3ebdc703..4209fa119d 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/RawMessage.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/RawMessage.kt
@@ -83,6 +83,7 @@ internal data class RawMessage(
     private val successful_payment: SuccessfulPayment? = null,
 
     // Voice Chat Service Messages
+    private val voice_chat_scheduled: VoiceChatScheduled? = null,
     private val voice_chat_started: VoiceChatStarted? = null,
     private val voice_chat_ended: VoiceChatEnded? = null,
     private val voice_chat_participants_invited: VoiceChatParticipantsInvited? = null,
@@ -182,6 +183,7 @@ internal data class RawMessage(
             new_chat_title != null -> NewChatTitle(new_chat_title)
             new_chat_photo != null -> NewChatPhoto(new_chat_photo.toList())
             voice_chat_started != null -> voice_chat_started
+            voice_chat_scheduled != null -> voice_chat_scheduled
             message_auto_delete_timer_changed != null -> message_auto_delete_timer_changed
             voice_chat_ended != null -> voice_chat_ended
             voice_chat_participants_invited != null -> voice_chat_participants_invited