diff --git a/.prettierignore b/.prettierignore
deleted file mode 100644
index 5b74740..0000000
--- a/.prettierignore
+++ /dev/null
@@ -1 +0,0 @@
-lib/telegraf.provider.ts
diff --git a/lib/decorators/telegraf-action.decorator.ts b/lib/decorators/telegraf-action.decorator.ts
index 2fd6781..8345f33 100644
--- a/lib/decorators/telegraf-action.decorator.ts
+++ b/lib/decorators/telegraf-action.decorator.ts
@@ -1,8 +1,9 @@
 import { SetMetadata } from '@nestjs/common';
 import { DECORATORS } from '../telegraf.constants';
-import { HearsTriggers } from 'telegraf';
+import { HearsTriggers } from 'telegraf/typings/composer';
+import { Context } from '../interfaces';
 
-export type TelegrafActionTriggers = HearsTriggers;
+export type TelegrafActionTriggers = HearsTriggers<Context>;
 
 export interface TelegrafActionMetadata {
   triggers: TelegrafActionTriggers;
diff --git a/lib/decorators/telegraf-hears.decorator.ts b/lib/decorators/telegraf-hears.decorator.ts
index 17b8d1b..4c0a280 100644
--- a/lib/decorators/telegraf-hears.decorator.ts
+++ b/lib/decorators/telegraf-hears.decorator.ts
@@ -1,8 +1,9 @@
 import { SetMetadata } from '@nestjs/common';
 import { DECORATORS } from '../telegraf.constants';
-import { HearsTriggers } from 'telegraf';
+import { HearsTriggers } from 'telegraf/typings/composer';
+import { Context } from '../interfaces';
 
-export type TelegrafHearsTriggers = HearsTriggers;
+export type TelegrafHearsTriggers = HearsTriggers<Context>;
 
 export interface TelegrafHearsMetadata {
   triggers: TelegrafHearsTriggers;
diff --git a/lib/interfaces/context.interface.ts b/lib/interfaces/context.interface.ts
new file mode 100644
index 0000000..b529df0
--- /dev/null
+++ b/lib/interfaces/context.interface.ts
@@ -0,0 +1,5 @@
+import { TelegrafContext } from 'telegraf/typings/context';
+
+export interface Context extends TelegrafContext {
+  [key: string]: any;
+}
diff --git a/lib/interfaces/index.ts b/lib/interfaces/index.ts
index 08c29f5..3b25926 100644
--- a/lib/interfaces/index.ts
+++ b/lib/interfaces/index.ts
@@ -1,2 +1,2 @@
-export { ContextMessageUpdate } from 'telegraf';
+export * from './context.interface';
 export * from './telegraf-options.interface';
diff --git a/lib/interfaces/telegraf-options.interface.ts b/lib/interfaces/telegraf-options.interface.ts
index cd4229f..13c729d 100644
--- a/lib/interfaces/telegraf-options.interface.ts
+++ b/lib/interfaces/telegraf-options.interface.ts
@@ -3,7 +3,7 @@ import {
   TelegrafOptions,
   LaunchPollingOptions,
   LaunchWebhookOptions,
-} from 'telegraf';
+} from 'telegraf/typings/telegraf';
 
 export interface TelegrafModuleOptions {
   token: string;
diff --git a/lib/telegraf.explorer.ts b/lib/telegraf.explorer.ts
index 036679f..49292f7 100644
--- a/lib/telegraf.explorer.ts
+++ b/lib/telegraf.explorer.ts
@@ -5,7 +5,6 @@ import { MetadataScanner } from '@nestjs/core/metadata-scanner';
 import { TelegrafMetadataAccessor } from './telegraf-metadata.accessor';
 import { TelegrafProvider } from './telegraf.provider';
 import { TELEGRAF_PROVIDER } from './telegraf.constants';
-import { Telegraf, ContextMessageUpdate } from 'telegraf';
 import {
   TelegrafActionMetadata,
   TelegrafCashtagMetadata,
@@ -41,9 +40,11 @@ export class TelegrafExplorer implements OnModuleInit {
         return;
       }
 
-      const telegraf = this.moduleRef.get<TelegrafProvider<any>>(
+      const telegraf: TelegrafProvider = this.moduleRef.get<TelegrafProvider>(
         TELEGRAF_PROVIDER,
-        { strict: false },
+        {
+          strict: false,
+        },
       );
 
       this.metadataScanner.scanFromPrototype(
@@ -118,18 +119,14 @@ export class TelegrafExplorer implements OnModuleInit {
     });
   }
 
-  handleTelegrafUse(
-    instance: object,
-    key: string,
-    telegraf: Telegraf<ContextMessageUpdate>,
-  ) {
+  handleTelegrafUse(instance: object, key: string, telegraf: TelegrafProvider) {
     telegraf.use(instance[key].bind(instance));
   }
 
   handleTelegrafOn(
     instance: object,
     key: string,
-    telegraf: Telegraf<ContextMessageUpdate>,
+    telegraf: TelegrafProvider,
     metadata: TelegrafOnMetadata,
   ) {
     telegraf.on(metadata.updateTypes, instance[key].bind(instance));
@@ -138,7 +135,7 @@ export class TelegrafExplorer implements OnModuleInit {
   handleTelegrafHears(
     instance: object,
     key: string,
-    telegraf: Telegraf<ContextMessageUpdate>,
+    telegraf: TelegrafProvider,
     metadata: TelegrafHearsMetadata,
   ) {
     telegraf.hears(metadata.triggers, instance[key].bind(instance));
@@ -147,7 +144,7 @@ export class TelegrafExplorer implements OnModuleInit {
   handleTelegrafCommand(
     instance: object,
     key: string,
-    telegraf: Telegraf<ContextMessageUpdate>,
+    telegraf: TelegrafProvider,
     metadata: TelegrafCommandMetadata,
   ) {
     telegraf.command(metadata.commands, instance[key].bind(instance));
@@ -156,7 +153,7 @@ export class TelegrafExplorer implements OnModuleInit {
   handleTelegrafStart(
     instance: object,
     key: string,
-    telegraf: Telegraf<ContextMessageUpdate>,
+    telegraf: TelegrafProvider,
   ) {
     telegraf.start(instance[key].bind(instance));
   }
@@ -164,7 +161,7 @@ export class TelegrafExplorer implements OnModuleInit {
   handleTelegrafHelp(
     instance: object,
     key: string,
-    telegraf: Telegraf<ContextMessageUpdate>,
+    telegraf: TelegrafProvider,
   ) {
     telegraf.help(instance[key].bind(instance));
   }
@@ -172,7 +169,7 @@ export class TelegrafExplorer implements OnModuleInit {
   handleTelegrafSettings(
     instance: object,
     key: string,
-    telegraf: Telegraf<ContextMessageUpdate>,
+    telegraf: TelegrafProvider,
   ) {
     // @ts-ignore
     telegraf.settings(instance[key].bind(instance));
@@ -181,7 +178,7 @@ export class TelegrafExplorer implements OnModuleInit {
   handleTelegrafEntity(
     instance: object,
     key: string,
-    telegraf: Telegraf<ContextMessageUpdate>,
+    telegraf: TelegrafProvider,
     metadata: TelegrafEntityMetadata,
   ) {
     // @ts-ignore
@@ -191,7 +188,7 @@ export class TelegrafExplorer implements OnModuleInit {
   handleTelegrafMention(
     instance: object,
     key: string,
-    telegraf: Telegraf<ContextMessageUpdate>,
+    telegraf: TelegrafProvider,
     metadata: TelegrafMentionMetadata,
   ) {
     // @ts-ignore
@@ -201,7 +198,7 @@ export class TelegrafExplorer implements OnModuleInit {
   handleTelegrafPhone(
     instance: object,
     key: string,
-    telegraf: Telegraf<ContextMessageUpdate>,
+    telegraf: TelegrafProvider,
     metadata: TelegrafPhoneMetadata,
   ) {
     // @ts-ignore
@@ -211,7 +208,7 @@ export class TelegrafExplorer implements OnModuleInit {
   handleTelegrafHashtag(
     instance: object,
     key: string,
-    telegraf: Telegraf<ContextMessageUpdate>,
+    telegraf: TelegrafProvider,
     metadata: TelegrafHashtagMetadata,
   ) {
     // @ts-ignore
@@ -221,7 +218,7 @@ export class TelegrafExplorer implements OnModuleInit {
   handleTelegrafCashtag(
     instance: object,
     key: string,
-    telegraf: Telegraf<ContextMessageUpdate>,
+    telegraf: TelegrafProvider,
     metadata: TelegrafCashtagMetadata,
   ) {
     // @ts-ignore
@@ -231,7 +228,7 @@ export class TelegrafExplorer implements OnModuleInit {
   handleTelegrafAction(
     instance: object,
     key: string,
-    telegraf: Telegraf<ContextMessageUpdate>,
+    telegraf: TelegrafProvider,
     metadata: TelegrafActionMetadata,
   ) {
     telegraf.action(metadata.triggers, instance[key].bind(instance));
@@ -240,7 +237,7 @@ export class TelegrafExplorer implements OnModuleInit {
   handleTelegrafInlineQuery(
     instance: object,
     key: string,
-    telegraf: Telegraf<ContextMessageUpdate>,
+    telegraf: TelegrafProvider,
     metadata: TelegrafInlineQueryMetadata,
   ) {
     // @ts-ignore
@@ -250,7 +247,7 @@ export class TelegrafExplorer implements OnModuleInit {
   handleTelegrafGameQuery(
     instance: object,
     key: string,
-    telegraf: Telegraf<ContextMessageUpdate>,
+    telegraf: TelegrafProvider,
   ) {
     telegraf.gameQuery(instance[key].bind(instance));
   }
diff --git a/lib/telegraf.provider.ts b/lib/telegraf.provider.ts
index 145d7b5..5b21284 100644
--- a/lib/telegraf.provider.ts
+++ b/lib/telegraf.provider.ts
@@ -5,32 +5,30 @@ import {
   Logger,
   OnApplicationShutdown,
 } from '@nestjs/common';
-import Telegraf, { ContextMessageUpdate } from 'telegraf';
+import { Telegraf } from 'telegraf';
+import { Context, TelegrafModuleOptions } from './interfaces';
 import { TELEGRAF_MODULE_OPTIONS } from './telegraf.constants';
-import { TelegrafModuleOptions } from './interfaces';
 
 @Injectable()
-export class TelegrafProvider<TContext extends ContextMessageUpdate>
-  // @ts-ignore
-  extends Telegraf<TContext>
+export class TelegrafProvider extends Telegraf<Context>
   implements OnApplicationBootstrap, OnApplicationShutdown {
   private logger = new Logger('Telegraf');
-  private launchOptions;
+  private readonly launchOptions;
 
   constructor(@Inject(TELEGRAF_MODULE_OPTIONS) options: TelegrafModuleOptions) {
     super(options.token, options.options);
     this.launchOptions = options.launchOptions;
   }
 
-  onApplicationBootstrap() {
+  async onApplicationBootstrap() {
     this.catch((e) => {
       this.logger.error(e);
     });
 
-    this.launch(this.launchOptions);
+    await this.launch(this.launchOptions);
   }
 
-  async onApplicationShutdown(signal?: string) {
+  async onApplicationShutdown() {
     await this.stop();
   }
 }
diff --git a/package-lock.json b/package-lock.json
index c942ff5..f7dedea 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2845,9 +2845,9 @@
       }
     },
     "telegraf": {
-      "version": "3.37.0",
-      "resolved": "https://registry.npmjs.org/telegraf/-/telegraf-3.37.0.tgz",
-      "integrity": "sha512-V3448qwfOolBqkIc87yxjW4zMvR2P6AIF24pPTlX9WhZPwA1TF/x3nQhnWPRLtGh2SJuvDcr83iTkXPXT7Opnw==",
+      "version": "3.38.0",
+      "resolved": "https://registry.npmjs.org/telegraf/-/telegraf-3.38.0.tgz",
+      "integrity": "sha512-va4VlrKWp64JrowFoZX/NPzzA6q38kvaIukVXOWFO1V+jR1G8+hCfgJy4TX8Z3rwLJzwaBEet1QhikHDRZWl3A==",
       "requires": {
         "debug": "^4.0.1",
         "minimist": "^1.2.0",
diff --git a/package.json b/package.json
index 9542fae..13f495d 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "test": ""
   },
   "dependencies": {
-    "telegraf": "3.37.0"
+    "telegraf": "3.38.0"
   },
   "devDependencies": {
     "@nestjs/common": "7.0.9",