diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/ChatInviteLink.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/ChatInviteLink.kt
index 46a46759d8..fe6a0d094c 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/ChatInviteLink.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/ChatInviteLink.kt
@@ -17,7 +17,7 @@ private data class RawChatInviteLink(
     @SerialName(isRevokedField)
     val isRevoked: Boolean,
     @SerialName(expireDateField)
-    val expirationDateTime: UnixTimeStamp? = null,
+    val expirationDateTime: TelegramDate? = null,
     @SerialName(memberLimitField)
     val membersLimit: MembersLimit ?= null
 )
@@ -27,7 +27,7 @@ private fun ChatInviteLink.toRawChatInviteLink() = RawChatInviteLink(
     creator,
     isPrimary,
     isRevoked,
-    expirationDateTime ?.unixMillis ?.milliseconds ?.seconds ?.toLong(),
+    expirationDateTime ?.toTelegramDate(),
     membersLimit
 )
 
@@ -50,16 +50,14 @@ data class PrimaryInviteLink(
     @SerialName(isRevokedField)
     override val isRevoked: Boolean = false,
     @SerialName(expireDateField)
-    private val expireDate: UnixTimeStamp? = null,
+    private val expireDate: TelegramDate? = null,
     @SerialName(memberLimitField)
     override val membersLimit: MembersLimit? = null
 ) : ChatInviteLink() {
     override val isPrimary: Boolean
         get() = true
     override val expirationDateTime: DateTime?
-        get() {
-            return DateTime(expireDate ?.seconds ?.milliseconds ?: return null)
-        }
+        get() = expireDate ?.asDate
 }
 
 @Serializable
@@ -71,16 +69,14 @@ data class CommonInviteLink(
     @SerialName(isRevokedField)
     override val isRevoked: Boolean = false,
     @SerialName(expireDateField)
-    private val expireDate: UnixTimeStamp? = null,
+    private val expireDate: TelegramDate? = null,
     @SerialName(memberLimitField)
     override val membersLimit: MembersLimit? = null
 ) : ChatInviteLink() {
     override val isPrimary: Boolean
         get() = false
     override val expirationDateTime: DateTime?
-        get() {
-            return DateTime(expireDate ?.seconds ?.milliseconds ?: return null)
-        }
+        get() = expireDate ?.asDate
 }
 
 @Serializer(ChatInviteLink::class)
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/ChatMemberUpdated.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/ChatMemberUpdated.kt
new file mode 100644
index 0000000000..856e113ac0
--- /dev/null
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/ChatMemberUpdated.kt
@@ -0,0 +1,22 @@
+package dev.inmo.tgbotapi.types
+
+import dev.inmo.tgbotapi.types.ChatMember.abstracts.ChatMember
+import dev.inmo.tgbotapi.types.chat.abstracts.Chat
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class ChatMemberUpdated(
+    @SerialName(chatField)
+    val chat: Chat,
+    @SerialName(fromField)
+    val user: User,
+    @SerialName(dateField)
+    val date: TelegramDate,
+    @SerialName(oldChatMemberField)
+    val oldChatMemberState: ChatMember,
+    @SerialName(newChatMemberField)
+    val newChatMemberState: ChatMember,
+    @SerialName(inviteLinkField)
+    val inviteLink: ChatInviteLink? = null
+)
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 74d2f356b0..8fc47f2a24 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
@@ -253,6 +253,8 @@ const val canManageVoiceChatsField = "can_manage_voice_chats"
 const val canManageChatField = "can_manage_chat"
 const val pngStickerField = "png_sticker"
 const val tgsStickerField = "tgs_sticker"
+const val oldChatMemberField = "old_chat_member"
+const val newChatMemberField = "new_chat_member"
 
 const val okField = "ok"
 const val captionField = "caption"
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/UpdateTypes.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/UpdateTypes.kt
index 0c2be08534..1606ea6ed4 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/UpdateTypes.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/UpdateTypes.kt
@@ -11,6 +11,8 @@ const val UPDATE_SHIPPING_QUERY = "shipping_query"
 const val UPDATE_PRE_CHECKOUT_QUERY = "pre_checkout_query"
 const val UPDATE_POLL = "poll"
 const val UPDATE_POLL_ANSWER = "poll_answer"
+const val MY_CHAT_MEMBER = "my_chat_member"
+const val CHAT_MEMBER = "chat_member"
 
 val ALL_UPDATES_LIST = listOf(
     UPDATE_MESSAGE,
@@ -23,5 +25,7 @@ val ALL_UPDATES_LIST = listOf(
     UPDATE_SHIPPING_QUERY,
     UPDATE_PRE_CHECKOUT_QUERY,
     UPDATE_POLL,
-    UPDATE_POLL_ANSWER
+    UPDATE_POLL_ANSWER,
+    MY_CHAT_MEMBER,
+    CHAT_MEMBER
 )
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/CommonChatMemberUpdatedUpdate.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/CommonChatMemberUpdatedUpdate.kt
new file mode 100644
index 0000000000..4811ebaa74
--- /dev/null
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/CommonChatMemberUpdatedUpdate.kt
@@ -0,0 +1,10 @@
+package dev.inmo.tgbotapi.types.update
+
+import dev.inmo.tgbotapi.types.ChatMemberUpdated
+import dev.inmo.tgbotapi.types.UpdateIdentifier
+import dev.inmo.tgbotapi.types.update.abstracts.ChatMemberUpdatedUpdate
+
+data class CommonChatMemberUpdatedUpdate(
+    override val updateId: UpdateIdentifier,
+    override val data: ChatMemberUpdated
+) : ChatMemberUpdatedUpdate
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/MyChatMemberUpdatedUpdate.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/MyChatMemberUpdatedUpdate.kt
new file mode 100644
index 0000000000..3dabbbb017
--- /dev/null
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/MyChatMemberUpdatedUpdate.kt
@@ -0,0 +1,10 @@
+package dev.inmo.tgbotapi.types.update
+
+import dev.inmo.tgbotapi.types.ChatMemberUpdated
+import dev.inmo.tgbotapi.types.UpdateIdentifier
+import dev.inmo.tgbotapi.types.update.abstracts.ChatMemberUpdatedUpdate
+
+data class MyChatMemberUpdatedUpdate(
+    override val updateId: UpdateIdentifier,
+    override val data: ChatMemberUpdated
+) : ChatMemberUpdatedUpdate
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/RawUpdate.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/RawUpdate.kt
index 60080dac74..87e46b45d3 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/RawUpdate.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/RawUpdate.kt
@@ -1,9 +1,9 @@
 package dev.inmo.tgbotapi.types.update
 
+import dev.inmo.tgbotapi.types.*
 import dev.inmo.tgbotapi.types.CallbackQuery.RawCallbackQuery
 import dev.inmo.tgbotapi.types.InlineQueries.ChosenInlineResult.RawChosenInlineResult
 import dev.inmo.tgbotapi.types.InlineQueries.query.RawInlineQuery
-import dev.inmo.tgbotapi.types.UpdateIdentifier
 import dev.inmo.tgbotapi.types.message.abstracts.*
 import dev.inmo.tgbotapi.types.payments.PreCheckoutQuery
 import dev.inmo.tgbotapi.types.payments.ShippingQuery
@@ -11,7 +11,6 @@ import dev.inmo.tgbotapi.types.polls.Poll
 import dev.inmo.tgbotapi.types.polls.PollAnswer
 import dev.inmo.tgbotapi.types.update.abstracts.UnknownUpdate
 import dev.inmo.tgbotapi.types.update.abstracts.Update
-import dev.inmo.tgbotapi.types.updateIdField
 import kotlinx.serialization.*
 import kotlinx.serialization.json.JsonElement
 import kotlinx.serialization.json.jsonObject
@@ -34,7 +33,9 @@ internal data class RawUpdate constructor(
     private val shipping_query: ShippingQuery? = null,
     private val pre_checkout_query: PreCheckoutQuery? = null,
     private val poll: Poll? = null,
-    private val poll_answer: PollAnswer? = null
+    private val poll_answer: PollAnswer? = null,
+    private val my_chat_member: ChatMemberUpdated? = null,
+    private val chat_member: ChatMemberUpdated? = null
 ) {
     private var initedUpdate: Update? = null
     /**
@@ -58,6 +59,8 @@ internal data class RawUpdate constructor(
                 pre_checkout_query != null -> PreCheckoutQueryUpdate(updateId, pre_checkout_query)
                 poll != null -> PollUpdate(updateId, poll)
                 poll_answer != null -> PollAnswerUpdate(updateId, poll_answer)
+                my_chat_member != null -> MyChatMemberUpdatedUpdate(updateId, my_chat_member)
+                chat_member != null -> CommonChatMemberUpdatedUpdate(updateId, chat_member)
                 else -> UnknownUpdate(
                     updateId,
                     raw.toString(),
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/abstracts/ChatMemberUpdatedUpdate.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/abstracts/ChatMemberUpdatedUpdate.kt
new file mode 100644
index 0000000000..44c11da4d3
--- /dev/null
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/abstracts/ChatMemberUpdatedUpdate.kt
@@ -0,0 +1,7 @@
+package dev.inmo.tgbotapi.types.update.abstracts
+
+import dev.inmo.tgbotapi.types.ChatMemberUpdated
+
+interface ChatMemberUpdatedUpdate : Update {
+    override val data: ChatMemberUpdated
+}