diff --git a/packages/core/src/highlevel/base.ts b/packages/core/src/highlevel/base.ts
index aad8ac9f..d2e87812 100644
--- a/packages/core/src/highlevel/base.ts
+++ b/packages/core/src/highlevel/base.ts
@@ -321,4 +321,8 @@ export class BaseTelegramClient implements ITelegramClient {
     computeNewPasswordHash(algo: tl.TypePasswordKdfAlgo, password: string): Promise<Uint8Array> {
         return computeNewPasswordHash(this.crypto, algo, password)
     }
+
+    get stopSignal(): AbortSignal {
+        return this.mt.stopSignal
+    }
 }
diff --git a/packages/core/src/highlevel/client.ts b/packages/core/src/highlevel/client.ts
index 0bfe3365..ec4d191f 100644
--- a/packages/core/src/highlevel/client.ts
+++ b/packages/core/src/highlevel/client.ts
@@ -5557,6 +5557,9 @@ export class TelegramClient extends EventEmitter implements ITelegramClient {
         this.log = this._client.log
         // @ts-expect-error codegen
         this.storage = this._client.storage
+        Object.defineProperty(this, 'stopSignal', {
+            get: () => this._client.stopSignal,
+        })
 
         if (!opts.disableUpdates) {
             const skipConversationUpdates = opts.skipConversationUpdates ?? true
diff --git a/packages/core/src/highlevel/client.types.ts b/packages/core/src/highlevel/client.types.ts
index fd914152..970a0ec8 100644
--- a/packages/core/src/highlevel/client.types.ts
+++ b/packages/core/src/highlevel/client.types.ts
@@ -30,6 +30,7 @@ export interface ITelegramClient {
     readonly log: Logger
     readonly storage: PublicPart<TelegramStorageManager>
     readonly appConfig: PublicPart<AppConfigManager>
+    readonly stopSignal: AbortSignal
 
     prepare(): Promise<void>
     connect(): Promise<void>
diff --git a/packages/core/src/highlevel/methods/_init.ts b/packages/core/src/highlevel/methods/_init.ts
index 09d3c99b..fa334c73 100644
--- a/packages/core/src/highlevel/methods/_init.ts
+++ b/packages/core/src/highlevel/methods/_init.ts
@@ -64,6 +64,9 @@ function _initializeClient(this: TelegramClient, opts: TelegramClientOptions) {
     this.log = this._client.log
     // @ts-expect-error codegen
     this.storage = this._client.storage
+    Object.defineProperty(this, 'stopSignal', {
+        get: () => this._client.stopSignal,
+    })
 
     if (!opts.disableUpdates) {
         const skipConversationUpdates = opts.skipConversationUpdates ?? true
diff --git a/packages/core/src/highlevel/methods/chats/kick-chat-member.ts b/packages/core/src/highlevel/methods/chats/kick-chat-member.ts
index 15a0f495..c858582a 100644
--- a/packages/core/src/highlevel/methods/chats/kick-chat-member.ts
+++ b/packages/core/src/highlevel/methods/chats/kick-chat-member.ts
@@ -1,4 +1,4 @@
-import { sleep } from '../../../utils/misc-utils.js'
+import { sleepWithAbort } from '../../../utils/misc-utils.js'
 import { ITelegramClient } from '../../client.types.js'
 import { InputPeerLike, Message } from '../../types/index.js'
 import { isInputPeerChannel } from '../../utils/peer-utils.js'
@@ -32,7 +32,7 @@ export async function kickChatMember(
     // not needed in case this is a legacy group
     if (isInputPeerChannel(chat)) {
         // i fucking love telegram serverside race conditions
-        await sleep(1000)
+        await sleepWithAbort(1000, client.stopSignal)
         await unbanChatMember(client, { chatId: chat, participantId: user })
     }
 
diff --git a/packages/core/src/highlevel/worker/port.ts b/packages/core/src/highlevel/worker/port.ts
index 1a24cec6..4fecea7b 100644
--- a/packages/core/src/highlevel/worker/port.ts
+++ b/packages/core/src/highlevel/worker/port.ts
@@ -42,6 +42,9 @@ export abstract class TelegramWorkerPort<Custom extends WorkerCustomMethods> imp
     readonly startUpdatesLoop
     readonly stopUpdatesLoop
 
+    private _abortController = new AbortController()
+    readonly stopSignal = this._abortController.signal
+
     constructor(readonly options: TelegramWorkerPortOptions) {
         this.log = new LogManager('worker')
 
@@ -122,6 +125,9 @@ export abstract class TelegramWorkerPort<Custom extends WorkerCustomMethods> imp
             case 'error':
                 this.emitError(message.error)
                 break
+            case 'stop':
+                this._abortController.abort()
+                break
         }
     }
 
diff --git a/packages/core/src/highlevel/worker/protocol.ts b/packages/core/src/highlevel/worker/protocol.ts
index 4a603578..144c371e 100644
--- a/packages/core/src/highlevel/worker/protocol.ts
+++ b/packages/core/src/highlevel/worker/protocol.ts
@@ -24,6 +24,7 @@ export type WorkerOutboundMessage =
           hasMin: boolean
       }
     | { type: 'error'; error: unknown }
+    | { type: 'stop' }
     | { type: 'conn_state'; state: ConnectionState }
     | {
           type: 'log'
diff --git a/packages/core/src/highlevel/worker/worker.ts b/packages/core/src/highlevel/worker/worker.ts
index 4cefb616..b4bea663 100644
--- a/packages/core/src/highlevel/worker/worker.ts
+++ b/packages/core/src/highlevel/worker/worker.ts
@@ -46,6 +46,7 @@ export abstract class TelegramWorker<T extends WorkerCustomMethods> {
                 state,
             }),
         )
+        client.stopSignal.addEventListener('abort', () => this.broadcast({ type: 'stop' }))
 
         if (client.updates) {
             client.onUpdate((update, peers) =>
diff --git a/packages/core/src/network/client.ts b/packages/core/src/network/client.ts
index c5b2c485..42d42a36 100644
--- a/packages/core/src/network/client.ts
+++ b/packages/core/src/network/client.ts
@@ -238,6 +238,9 @@ export class MtClient extends EventEmitter {
     readonly log: Logger
     readonly network: NetworkManager
 
+    private _abortController: AbortController
+    readonly stopSignal: AbortSignal
+
     constructor(readonly params: MtClientOptions) {
         super()
 
@@ -267,6 +270,9 @@ export class MtClient extends EventEmitter {
         this._readerMap = params.readerMap ?? defaultReaderMap
         this._writerMap = params.writerMap ?? defaultWriterMap
 
+        this._abortController = new AbortController()
+        this.stopSignal = this._abortController.signal
+
         this.storage = new StorageManager({
             provider: params.storage,
             log: this.log,
@@ -299,6 +305,7 @@ export class MtClient extends EventEmitter {
                 onConnecting: () => this.emit('connecting'),
                 onNetworkChanged: (connected) => this.emit('networkChanged', connected),
                 onUpdate: (upd) => this.emit('update', upd),
+                stopSignal: this.stopSignal,
                 ...params.network,
             },
             this._config,
@@ -361,6 +368,7 @@ export class MtClient extends EventEmitter {
 
         this._prepare.reset()
         this._connect.reset()
+        this._abortController.abort()
     }
 
     /**
diff --git a/packages/core/src/network/network-manager.ts b/packages/core/src/network/network-manager.ts
index d3b3a955..8b627065 100644
--- a/packages/core/src/network/network-manager.ts
+++ b/packages/core/src/network/network-manager.ts
@@ -10,7 +10,7 @@ import {
     DcOptions,
     ICryptoProvider,
     Logger,
-    sleep,
+    sleepWithAbort,
 } from '../utils/index.js'
 import { assertTypeIs } from '../utils/type-assertions.js'
 import { ConfigManager } from './config-manager.js'
@@ -61,6 +61,7 @@ export interface NetworkManagerParams {
     onUsable: () => void
     onConnecting: () => void
     onNetworkChanged: (connected: boolean) => void
+    stopSignal: AbortSignal
 }
 
 export type ConnectionCountDelegate = (kind: ConnectionKind, dcId: number, isPremium: boolean) => number
@@ -738,7 +739,7 @@ export class NetworkManager {
                 // flood waits below 3 seconds are "ignored"
                 this._floodWaitedRequests.delete(message._)
             } else if (delta <= this.params.floodSleepThreshold) {
-                await sleep(delta)
+                await sleepWithAbort(delta, this.params.stopSignal)
                 this._floodWaitedRequests.delete(message._)
             } else {
                 const err = tl.RpcError.create(tl.RpcError.FLOOD, 'FLOOD_WAIT_%d')
@@ -790,7 +791,7 @@ export class NetworkManager {
 
                     if (e.text === 'WORKER_BUSY_TOO_LONG_RETRY') {
                         // according to tdlib, "it is dangerous to resend query without timeout, so use 1"
-                        await sleep(1000)
+                        await sleepWithAbort(1000, this.params.stopSignal)
                     }
                     continue
                 }
@@ -809,7 +810,7 @@ export class NetworkManager {
 
                     if (e.seconds <= floodSleepThreshold) {
                         this._log.warn('%s resulted in a flood wait, will retry in %d seconds', message._, e.seconds)
-                        await sleep(e.seconds * 1000)
+                        await sleepWithAbort(e.seconds * 1000, this.params.stopSignal)
                         continue
                     }
                 }
diff --git a/packages/core/src/network/session-connection.ts b/packages/core/src/network/session-connection.ts
index b7bdd340..28afbba7 100644
--- a/packages/core/src/network/session-connection.ts
+++ b/packages/core/src/network/session-connection.ts
@@ -166,6 +166,7 @@ export class SessionConnection extends PersistentConnection {
         this._salts.isFetching = false
 
         if (forever) {
+            clearTimeout(this._pfsUpdateTimeout)
             this.removeAllListeners()
             this.on('error', (err) => {
                 this.log.warn('caught error after destroying: %s', err)
diff --git a/packages/core/src/utils/misc-utils.ts b/packages/core/src/utils/misc-utils.ts
index de90a790..3467604b 100644
--- a/packages/core/src/utils/misc-utils.ts
+++ b/packages/core/src/utils/misc-utils.ts
@@ -5,6 +5,25 @@
  */
 export const sleep = (ms: number): Promise<void> => new Promise((resolve) => setTimeout(resolve, ms))
 
+export function sleepWithAbort(ms: number, signal: AbortSignal): Promise<void> {
+    return new Promise((resolve, reject) => {
+        // eslint-disable-next-line prefer-const
+        let timeout: NodeJS.Timeout
+
+        const onAbort = () => {
+            clearTimeout(timeout)
+            reject(signal.reason)
+        }
+
+        signal.addEventListener('abort', onAbort)
+
+        timeout = setTimeout(() => {
+            signal.removeEventListener('abort', onAbort)
+            resolve()
+        }, ms)
+    })
+}
+
 export function getRandomInt(top: number): number {
     return Math.floor(Math.random() * top)
 }