diff --git a/src/TgBotLib/Enums/Types/ChatBoostSourceType.php b/src/TgBotLib/Enums/Types/ChatBoostSourceType.php
new file mode 100644
index 0000000..4a1f1d7
--- /dev/null
+++ b/src/TgBotLib/Enums/Types/ChatBoostSourceType.php
@@ -0,0 +1,10 @@
+<?php
+
+    namespace TgBotLib\Enums\Types;
+
+    enum ChatBoostSourceType : string
+    {
+        case PREMIUM = 'premium';
+        case GIFT_CODE = 'gift_code';
+        case GIVEAWAY = 'giveaway';
+    }
diff --git a/src/TgBotLib/Objects/ChatBoostRemoved.php b/src/TgBotLib/Objects/ChatBoostRemoved.php
new file mode 100644
index 0000000..2a3ed62
--- /dev/null
+++ b/src/TgBotLib/Objects/ChatBoostRemoved.php
@@ -0,0 +1,23 @@
+<?php
+
+    namespace TgBotLib\Objects;
+
+    use TgBotLib\Interfaces\ObjectTypeInterface;
+
+    class ChatBoostRemoved implements ObjectTypeInterface
+    {
+        private Chat $chat;
+        private string $boost_id;
+        private int $remove_date;
+        private ChatBoostSource $source;
+
+        public function toArray(): ?array
+        {
+            // TODO: Implement toArray() method.
+        }
+
+        public static function fromArray(?array $data): ?ChatBoostRemoved
+        {
+            // TODO: Implement fromArray() method.
+        }
+    }
\ No newline at end of file
diff --git a/src/TgBotLib/Objects/ChatBoostSource.php b/src/TgBotLib/Objects/ChatBoostSource.php
new file mode 100644
index 0000000..fd67d04
--- /dev/null
+++ b/src/TgBotLib/Objects/ChatBoostSource.php
@@ -0,0 +1,49 @@
+<?php
+
+    namespace TgBotLib\Objects;
+
+    use InvalidArgumentException;
+    use TgBotLib\Enums\Types\ChatBoostSourceType;
+    use TgBotLib\Interfaces\ObjectTypeInterface;
+    use TgBotLib\Objects\ChatBoostSource\ChatBoostSourceGiftCode;
+    use TgBotLib\Objects\ChatBoostSource\ChatBoostSourceGiveaway;
+    use TgBotLib\Objects\ChatBoostSource\ChatBoostSourcePremium;
+
+    abstract class ChatBoostSource implements ObjectTypeInterface
+    {
+        protected ChatBoostSourceType $source;
+
+        /**
+         * Source of the boost
+         *
+         * @return ChatBoostSourceType
+         */
+        public function getSource(): ChatBoostSourceType
+        {
+            return $this->source;
+        }
+
+        /**
+         * @inheritDoc
+         */
+        public abstract function toArray(): ?array;
+
+        /**
+         * @inheritDoc
+         */
+        public static function fromArray(?array $data): ?ChatBoostSource
+        {
+            if($data === null)
+            {
+                return null;
+            }
+
+            return match (ChatBoostSourceType::tryFrom($data['source']))
+            {
+                ChatBoostSourceType::GIFT_CODE => ChatBoostSourceGiftCode::fromArray($data),
+                ChatBoostSourceType::PREMIUM => ChatBoostSourcePremium::fromArray($data),
+                ChatBoostSourceType::GIVEAWAY => ChatBoostSourceGiveaway::fromArray($data),
+                default => throw new InvalidArgumentException('Unknown source type')
+            };
+        }
+    }
\ No newline at end of file
diff --git a/src/TgBotLib/Objects/ChatBoostSource/ChatBoostSourceGiftCode.php b/src/TgBotLib/Objects/ChatBoostSource/ChatBoostSourceGiftCode.php
new file mode 100644
index 0000000..63aa409
--- /dev/null
+++ b/src/TgBotLib/Objects/ChatBoostSource/ChatBoostSourceGiftCode.php
@@ -0,0 +1,51 @@
+<?php
+
+    namespace TgBotLib\Objects\ChatBoostSource;
+
+    use TgBotLib\Enums\Types\ChatBoostSourceType;
+    use TgBotLib\Interfaces\ObjectTypeInterface;
+    use TgBotLib\Objects\ChatBoostSource;
+    use TgBotLib\Objects\User;
+
+    class ChatBoostSourceGiftCode extends ChatBoostSource implements ObjectTypeInterface
+    {
+        private User $user;
+
+        /**
+         * User that boosted the chat
+         *
+         * @return User
+         */
+        public function getUser(): User
+        {
+            return $this->user;
+        }
+
+        /**
+         * @inheritDoc
+         */
+        public function toArray(): array
+        {
+            return [
+                'source' => $this->source->value,
+                'user' => $this->user->toArray()
+            ];
+        }
+
+        /**
+         * @inheritDoc
+         */
+        public static function fromArray(?array $data): ?ChatBoostSourceGiftCode
+        {
+            if($data === null)
+            {
+                return null;
+            }
+
+            $object = new self();
+            $object->source = ChatBoostSourceType::PREMIUM;
+            $object->user = User::fromArray($data['user']);
+
+            return $object;
+        }
+    }
\ No newline at end of file
diff --git a/src/TgBotLib/Objects/ChatBoostSource/ChatBoostSourceGiveaway.php b/src/TgBotLib/Objects/ChatBoostSource/ChatBoostSourceGiveaway.php
new file mode 100644
index 0000000..81fae9e
--- /dev/null
+++ b/src/TgBotLib/Objects/ChatBoostSource/ChatBoostSourceGiveaway.php
@@ -0,0 +1,91 @@
+<?php
+
+    namespace TgBotLib\Objects\ChatBoostSource;
+
+    use TgBotLib\Enums\Types\ChatBoostSourceType;
+    use TgBotLib\Interfaces\ObjectTypeInterface;
+    use TgBotLib\Objects\ChatBoostSource;
+    use TgBotLib\Objects\User;
+
+    class ChatBoostSourceGiveaway extends ChatBoostSource implements ObjectTypeInterface
+    {
+        private int $giveaway_message_id;
+        private ?User $user;
+        private ?int $prize_star_count;
+        private bool $is_unclaimed;
+
+        /**
+         * Identifier of a message in the chat with the giveaway; the message could have been deleted already.
+         * May be 0 if the message isn't sent yet.
+         *
+         * @return int
+         */
+        public function getGiveawayMessageId(): int
+        {
+            return $this->giveaway_message_id;
+        }
+
+        /**
+         * Optional. User that won the prize in the giveaway if any; for Telegram Premium giveaways only
+         *
+         * @return User|null
+         */
+        public function getUser(): ?User
+        {
+            return $this->user;
+        }
+
+        /**
+         * Optional. The number of Telegram Stars to be split between giveaway winners; for Telegram Star giveaways only
+         *
+         * @return int|null
+         */
+        public function getPrizeStarCount(): ?int
+        {
+            return $this->prize_star_count;
+        }
+
+        /**
+         * Optional. True, if the giveaway was completed, but there was no user to win the prize
+         *
+         * @return bool
+         */
+        public function isIsUnclaimed(): bool
+        {
+            return $this->is_unclaimed;
+        }
+
+        /**
+         * @inheritDoc
+         */
+        public function toArray(): ?array
+        {
+            return [
+                'source' => $this->source->value,
+                'giveaway_message_id' => $this->giveaway_message_id,
+                'user' => $this->user?->toArray(),
+                'prize_star_count' => $this->prize_star_count,
+                'is_unclaimed' => $this->is_unclaimed
+            ];
+        }
+
+        /**
+         * @inheritDoc
+         */
+        public static function fromArray(?array $data): ?ChatBoostSourceGiveaway
+        {
+            if($data === null)
+            {
+                return null;
+            }
+
+            $object = new self();
+            $object->source = ChatBoostSourceType::GIVEAWAY;
+            $object->giveaway_message_id = $data['giveaway_message_id'];
+            $object->user = User::fromArray($data['user']);
+            $object->prize_star_count = $data['prize_star_count'];
+            $object->is_unclaimed = $data['is_unclaimed'];
+
+            return $object;
+        }
+    }
\ No newline at end of file
diff --git a/src/TgBotLib/Objects/ChatBoostSource/ChatBoostSourcePremium.php b/src/TgBotLib/Objects/ChatBoostSource/ChatBoostSourcePremium.php
new file mode 100644
index 0000000..577ac6f
--- /dev/null
+++ b/src/TgBotLib/Objects/ChatBoostSource/ChatBoostSourcePremium.php
@@ -0,0 +1,51 @@
+<?php
+
+    namespace TgBotLib\Objects\ChatBoostSource;
+
+    use TgBotLib\Enums\Types\ChatBoostSourceType;
+    use TgBotLib\Interfaces\ObjectTypeInterface;
+    use TgBotLib\Objects\ChatBoostSource;
+    use TgBotLib\Objects\User;
+
+    class ChatBoostSourcePremium extends ChatBoostSource implements ObjectTypeInterface
+    {
+        private User $user;
+
+        /**
+         * User that boosted the chat
+         *
+         * @return User
+         */
+        public function getUser(): User
+        {
+            return $this->user;
+        }
+
+        /**
+         * @inheritDoc
+         */
+        public function toArray(): array
+        {
+            return [
+                'source' => $this->source->value,
+                'user' => $this->user?->toArray()
+            ];
+        }
+
+        /**
+         * @inheritDoc
+         */
+        public static function fromArray(?array $data): ?ChatBoostSourcePremium
+        {
+            if($data === null)
+            {
+                return null;
+            }
+
+            $object = new self();
+            $object->source = ChatBoostSourceType::PREMIUM;
+            $object->user = User::fromArray($data['user']);
+
+            return $object;
+        }
+    }
\ No newline at end of file