diff --git a/packages/client/src/client.ts b/packages/client/src/client.ts
index 4cbbf1f0..6728a78f 100644
--- a/packages/client/src/client.ts
+++ b/packages/client/src/client.ts
@@ -19,6 +19,7 @@ import { createChannel } from './methods/chats/create-channel'
 import { createGroup } from './methods/chats/create-group'
 import { createSupergroup } from './methods/chats/create-supergroup'
 import { deleteChannel } from './methods/chats/delete-channel'
+import { deleteChatPhoto } from './methods/chats/delete-chat-photo'
 import { deleteGroup } from './methods/chats/delete-group'
 import { deleteHistory } from './methods/chats/delete-history'
 import { getChatMember } from './methods/chats/get-chat-member'
@@ -27,6 +28,7 @@ import { getChat } from './methods/chats/get-chat'
 import { getFullChat } from './methods/chats/get-full-chat'
 import { joinChat } from './methods/chats/join-chat'
 import { leaveChat } from './methods/chats/leave-chat'
+import { setChatPhoto } from './methods/chats/set-chat-photo'
 import { unarchiveChats } from './methods/chats/unarchive-chats'
 import { downloadAsBuffer } from './methods/files/download-buffer'
 import { downloadToFile } from './methods/files/download-file'
@@ -416,6 +418,16 @@ export class TelegramClient extends BaseTelegramClient {
     deleteSupergroup(chatId: InputPeerLike): Promise<void> {
         return deleteChannel.apply(this, arguments)
     }
+    /**
+     * Delete a chat photo
+     *
+     * You must be an administrator and have the appropriate permissions.
+     *
+     * @param chatId  Chat ID or username
+     */
+    deleteChatPhoto(chatId: InputPeerLike): Promise<void> {
+        return deleteChatPhoto.apply(this, arguments)
+    }
     /**
      * Delete a legacy group chat for all members
      *
@@ -451,7 +463,7 @@ export class TelegramClient extends BaseTelegramClient {
      *
      * @param chatId  Chat ID or username
      * @param userId  User ID, username, phone number, `"me"` or `"self"`
-     * @throws MtCuteNotFoundError  In case given user is not a participant of a given chat
+     * @throws UserNotParticipantError  In case given user is not a participant of a given chat
      */
     getChatMember(
         chatId: InputPeerLike,
@@ -512,6 +524,26 @@ export class TelegramClient extends BaseTelegramClient {
     leaveChat(chatId: InputPeerLike, clear?: boolean): Promise<void> {
         return leaveChat.apply(this, arguments)
     }
+    /**
+     * Set a new chat photo or video.
+     *
+     * You must be an administrator and have the appropriate permissions.
+     *
+     * @param chatId  Chat ID or username
+     * @param type  Media type (photo or video)
+     * @param media  Input media file
+     * @param previewSec
+     *   When `type = video`, timestamp in seconds which will be shown
+     *   as a static preview.
+     */
+    setChatPhoto(
+        chatId: InputPeerLike,
+        type: 'photo' | 'video',
+        media: InputFileLike,
+        previewSec?: number
+    ): Promise<void> {
+        return setChatPhoto.apply(this, arguments)
+    }
     /**
      * Unarchive one or more chats
      *
diff --git a/packages/client/src/methods/chats/delete-chat-photo.ts b/packages/client/src/methods/chats/delete-chat-photo.ts
new file mode 100644
index 00000000..1fff8afa
--- /dev/null
+++ b/packages/client/src/methods/chats/delete-chat-photo.ts
@@ -0,0 +1,37 @@
+import { TelegramClient } from '../../client'
+import {
+    InputPeerLike,
+    MtCuteInvalidPeerTypeError,
+} from '../../types'
+import { normalizeToInputChannel, normalizeToInputPeer } from '../../utils/peer-utils'
+
+/**
+ * Delete a chat photo
+ *
+ * You must be an administrator and have the appropriate permissions.
+ *
+ * @param chatId  Chat ID or username
+ * @internal
+ */
+export async function deleteChatPhoto(
+    this: TelegramClient,
+    chatId: InputPeerLike
+): Promise<void> {
+    const chat = normalizeToInputPeer(await this.resolvePeer(chatId))
+    if (!(chat._ === 'inputPeerChat' || chat._ === 'inputPeerChannel'))
+        throw new MtCuteInvalidPeerTypeError(chatId, 'chat or channel')
+
+    if (chat._ === 'inputPeerChat') {
+        await this.call({
+            _: 'messages.editChatPhoto',
+            chatId: chat.chatId,
+            photo: { _: 'inputChatPhotoEmpty' }
+        })
+    } else {
+        await this.call({
+            _: 'channels.editPhoto',
+            channel: normalizeToInputChannel(chat)!,
+            photo: { _: 'inputChatPhotoEmpty' }
+        })
+    }
+}
diff --git a/packages/client/src/methods/chats/set-chat-photo.ts b/packages/client/src/methods/chats/set-chat-photo.ts
new file mode 100644
index 00000000..f56aba9a
--- /dev/null
+++ b/packages/client/src/methods/chats/set-chat-photo.ts
@@ -0,0 +1,70 @@
+import { TelegramClient } from '../../client'
+import {
+    InputFileLike,
+    InputPeerLike,
+    isUploadedFile,
+    MtCuteArgumentError,
+    MtCuteInvalidPeerTypeError,
+} from '../../types'
+import { normalizeToInputChannel, normalizeToInputPeer } from '../../utils/peer-utils'
+import { tl } from '@mtcute/tl'
+
+/**
+ * Set a new chat photo or video.
+ *
+ * You must be an administrator and have the appropriate permissions.
+ *
+ * @param chatId  Chat ID or username
+ * @param type  Media type (photo or video)
+ * @param media  Input media file
+ * @param previewSec
+ *   When `type = video`, timestamp in seconds which will be shown
+ *   as a static preview.
+ * @internal
+ */
+export async function setChatPhoto(
+    this: TelegramClient,
+    chatId: InputPeerLike,
+    type: 'photo' | 'video',
+    media: InputFileLike,
+    previewSec?: number
+): Promise<void> {
+    const chat = normalizeToInputPeer(await this.resolvePeer(chatId))
+    if (!(chat._ === 'inputPeerChat' || chat._ === 'inputPeerChannel'))
+        throw new MtCuteInvalidPeerTypeError(chatId, 'chat or channel')
+
+    let input: tl.TypeInputFile
+
+    if (typeof media === 'string' && media.match(/^https?:\/\//)) {
+        throw new MtCuteArgumentError("Chat photo can't be external")
+    } else if (isUploadedFile(media)) {
+        input = media.inputFile
+    } else if (typeof media === 'object' && tl.isAnyInputFile(media)) {
+        input = media
+    } else {
+        const uploaded = await this.uploadFile({
+            file: media,
+        })
+        input = uploaded.inputFile
+    }
+
+    const photo: tl.RawInputChatUploadedPhoto = {
+        _: 'inputChatUploadedPhoto',
+        [type === 'photo' ? 'file' : 'video']: input,
+        videoStartTs: previewSec
+    }
+
+    if (chat._ === 'inputPeerChat') {
+        await this.call({
+            _: 'messages.editChatPhoto',
+            chatId: chat.chatId,
+            photo
+        })
+    } else {
+        await this.call({
+            _: 'channels.editPhoto',
+            channel: normalizeToInputChannel(chat)!,
+            photo
+        })
+    }
+}