diff --git a/CHANGELOG.md b/CHANGELOG.md
index b84e763..6fb63c5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -45,6 +45,7 @@
 - New #60: Add `setStickerSetTitle` method.
 - New #61: Add `setStickerSetThumbnail` method.
 - New #62: Add `setCustomEmojiStickerSetThumbnail` method.
+- New #63: Add `setChatStickerSet` and `deleteChatStickerSet` methods.
 - Chg #24: Move update methods to `Vjik\TelegramBot\Api\Method\Update` namespace, and update types to
   `Vjik\TelegramBot\Api\Type\Update` namespace.
 - Chg #30: Remove `TelegramRequestWithFilesInterface`.
diff --git a/src/Method/DeleteChatStickerSet.php b/src/Method/DeleteChatStickerSet.php
new file mode 100644
index 0000000..c5e1389
--- /dev/null
+++ b/src/Method/DeleteChatStickerSet.php
@@ -0,0 +1,43 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Vjik\TelegramBot\Api\Method;
+
+use Vjik\TelegramBot\Api\ParseResult\ValueHelper;
+use Vjik\TelegramBot\Api\Request\HttpMethod;
+use Vjik\TelegramBot\Api\Request\TelegramRequestWithResultPreparingInterface;
+
+/**
+ * @see https://core.telegram.org/bots/api#deletechatstickerset
+ */
+final readonly class DeleteChatStickerSet implements TelegramRequestWithResultPreparingInterface
+{
+    public function __construct(
+        private int|string $chatId,
+    ) {
+    }
+
+    public function getHttpMethod(): HttpMethod
+    {
+        return HttpMethod::POST;
+    }
+
+    public function getApiMethod(): string
+    {
+        return 'deleteChatStickerSet';
+    }
+
+    public function getData(): array
+    {
+        return [
+            'chat_id' => $this->chatId,
+        ];
+    }
+
+    public function prepareResult(mixed $result): true
+    {
+        ValueHelper::assertTrueResult($result);
+        return $result;
+    }
+}
diff --git a/src/Method/SetChatStickerSet.php b/src/Method/SetChatStickerSet.php
new file mode 100644
index 0000000..c393597
--- /dev/null
+++ b/src/Method/SetChatStickerSet.php
@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Vjik\TelegramBot\Api\Method;
+
+use Vjik\TelegramBot\Api\ParseResult\ValueHelper;
+use Vjik\TelegramBot\Api\Request\HttpMethod;
+use Vjik\TelegramBot\Api\Request\TelegramRequestWithResultPreparingInterface;
+
+/**
+ * @see https://core.telegram.org/bots/api#setchatstickerset
+ */
+final readonly class SetChatStickerSet implements TelegramRequestWithResultPreparingInterface
+{
+    public function __construct(
+        private int|string $chatId,
+        private string $stickerSetName,
+    ) {
+    }
+
+    public function getHttpMethod(): HttpMethod
+    {
+        return HttpMethod::POST;
+    }
+
+    public function getApiMethod(): string
+    {
+        return 'setChatStickerSet';
+    }
+
+    public function getData(): array
+    {
+        return [
+            'chat_id' => $this->chatId,
+            'sticker_set_name' => $this->stickerSetName,
+        ];
+    }
+
+    public function prepareResult(mixed $result): true
+    {
+        ValueHelper::assertTrueResult($result);
+        return $result;
+    }
+}
diff --git a/src/TelegramBotApi.php b/src/TelegramBotApi.php
index 63fd811..041b70a 100644
--- a/src/TelegramBotApi.php
+++ b/src/TelegramBotApi.php
@@ -17,6 +17,7 @@
 use Vjik\TelegramBot\Api\Method\CreateChatInviteLink;
 use Vjik\TelegramBot\Api\Method\DeclineChatJoinRequest;
 use Vjik\TelegramBot\Api\Method\DeleteChatPhoto;
+use Vjik\TelegramBot\Api\Method\DeleteChatStickerSet;
 use Vjik\TelegramBot\Api\Method\DeleteMyCommands;
 use Vjik\TelegramBot\Api\Method\EditChatInviteLink;
 use Vjik\TelegramBot\Api\Method\ExportChatInviteLink;
@@ -61,6 +62,7 @@
 use Vjik\TelegramBot\Api\Method\SetChatMenuButton;
 use Vjik\TelegramBot\Api\Method\SetChatPermissions;
 use Vjik\TelegramBot\Api\Method\SetChatPhoto;
+use Vjik\TelegramBot\Api\Method\SetChatStickerSet;
 use Vjik\TelegramBot\Api\Method\SetChatTitle;
 use Vjik\TelegramBot\Api\Method\SetMessageReaction;
 use Vjik\TelegramBot\Api\Method\SetMyCommands;
@@ -364,6 +366,18 @@ public function deleteChatPhoto(int|string $chatId): FailResult|true
         );
     }
 
+    /**
+     * @see https://core.telegram.org/bots/api#deletechatstickerset
+     *
+     * @psalm-suppress MixedInferredReturnType,MixedReturnStatement
+     */
+    public function deleteChatStickerSet(int|string $chatId): FailResult|true
+    {
+        return $this->send(
+            new DeleteChatStickerSet($chatId)
+        );
+    }
+
     /**
      * @see https://core.telegram.org/bots/api#deletemycommands
      *
@@ -1528,6 +1542,18 @@ public function setChatPhoto(int|string $chatId, InputFile $photo): FailResult|t
         );
     }
 
+    /**
+     * @see https://core.telegram.org/bots/api#setchatstickerset
+     *
+     * @psalm-suppress MixedInferredReturnType,MixedReturnStatement
+     */
+    public function setChatStickerSet(int|string $chatId, string $stickerSetName): FailResult|true
+    {
+        return $this->send(
+            new SetChatStickerSet($chatId, $stickerSetName)
+        );
+    }
+
     /**
      * @see https://core.telegram.org/bots/api#setchattitle
      *
diff --git a/tests/Method/DeleteChatStickerSetTest.php b/tests/Method/DeleteChatStickerSetTest.php
new file mode 100644
index 0000000..f3652ca
--- /dev/null
+++ b/tests/Method/DeleteChatStickerSetTest.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Vjik\TelegramBot\Api\Tests\Method;
+
+use PHPUnit\Framework\TestCase;
+use Vjik\TelegramBot\Api\Method\DeleteChatStickerSet;
+use Vjik\TelegramBot\Api\Request\HttpMethod;
+
+final class DeleteChatStickerSetTest extends TestCase
+{
+    public function testBase(): void
+    {
+        $method = new DeleteChatStickerSet(1);
+
+        $this->assertSame(HttpMethod::POST, $method->getHttpMethod());
+        $this->assertSame('deleteChatStickerSet', $method->getApiMethod());
+        $this->assertSame(
+            [
+                'chat_id' => 1,
+            ],
+            $method->getData(),
+        );
+    }
+
+    public function testPrepareResult(): void
+    {
+        $method = new DeleteChatStickerSet(1);
+
+        $preparedResult = $method->prepareResult(true);
+
+        $this->assertTrue($preparedResult);
+    }
+}
diff --git a/tests/Method/SetChatStickerSetTest.php b/tests/Method/SetChatStickerSetTest.php
new file mode 100644
index 0000000..5469419
--- /dev/null
+++ b/tests/Method/SetChatStickerSetTest.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Vjik\TelegramBot\Api\Tests\Method;
+
+use PHPUnit\Framework\TestCase;
+use Vjik\TelegramBot\Api\Method\SetChatStickerSet;
+use Vjik\TelegramBot\Api\Request\HttpMethod;
+
+final class SetChatStickerSetTest extends TestCase
+{
+    public function testBase(): void
+    {
+        $method = new SetChatStickerSet(1, 'animals_by_bot');
+
+        $this->assertSame(HttpMethod::POST, $method->getHttpMethod());
+        $this->assertSame('setChatStickerSet', $method->getApiMethod());
+        $this->assertSame(
+            [
+                'chat_id' => 1,
+                'sticker_set_name' => 'animals_by_bot',
+            ],
+            $method->getData(),
+        );
+    }
+
+    public function testPrepareResult(): void
+    {
+        $method = new SetChatStickerSet(1, 'animals_by_bot');
+
+        $preparedResult = $method->prepareResult(true);
+
+        $this->assertTrue($preparedResult);
+    }
+}
diff --git a/tests/TelegramBotApiTest.php b/tests/TelegramBotApiTest.php
index ff28049..2dbb043 100644
--- a/tests/TelegramBotApiTest.php
+++ b/tests/TelegramBotApiTest.php
@@ -268,6 +268,18 @@ public function testDeleteChatPhoto(): void
         $this->assertTrue($result);
     }
 
+    public function testDeleteChatStickerSet(): void
+    {
+        $api = $this->createApi([
+            'ok' => true,
+            'result' => true,
+        ]);
+
+        $result = $api->deleteChatStickerSet(1);
+
+        $this->assertTrue($result);
+    }
+
     public function testDeleteMyCommands(): void
     {
         $api = $this->createApi([
@@ -1180,6 +1192,18 @@ public function testSetChatPhoto(): void
         $this->assertTrue($result);
     }
 
+    public function testSetChatStickerSet(): void
+    {
+        $api = $this->createApi([
+            'ok' => true,
+            'result' => true,
+        ]);
+
+        $result = $api->setChatStickerSet(1, 'animals_by_bot');
+
+        $this->assertTrue($result);
+    }
+
     public function testSetChatTitle(): void
     {
         $api = $this->createApi([