diff --git a/e2e/cjs/utils.js b/e2e/cjs/utils.js
index a0832c51..ac6e547b 100644
--- a/e2e/cjs/utils.js
+++ b/e2e/cjs/utils.js
@@ -1,3 +1,5 @@
+const { MemoryStorage } = require('@mtcute/core/storage/memory.js')
+
 exports.getApiParams = () => {
     if (!process.env.API_ID || !process.env.API_HASH) {
         throw new Error('API_ID and API_HASH env variables must be set')
@@ -7,5 +9,6 @@ exports.getApiParams = () => {
         apiId: parseInt(process.env.API_ID),
         apiHash: process.env.API_HASH,
         testMode: true,
+        storage: new MemoryStorage(),
     }
 }
diff --git a/e2e/esm/utils.js b/e2e/esm/utils.js
index 67fa1e68..8bbb6b6d 100644
--- a/e2e/esm/utils.js
+++ b/e2e/esm/utils.js
@@ -1,3 +1,5 @@
+import { MemoryStorage } from '@mtcute/core/storage/memory.js'
+
 export const getApiParams = () => {
     if (!process.env.API_ID || !process.env.API_HASH) {
         throw new Error('API_ID and API_HASH env variables must be set')
@@ -7,5 +9,6 @@ export const getApiParams = () => {
         apiId: parseInt(process.env.API_ID),
         apiHash: process.env.API_HASH,
         testMode: true,
+        storage: new MemoryStorage(),
     }
 }
diff --git a/e2e/ts/utils.ts b/e2e/ts/utils.ts
index f747f8be..32fe9e55 100644
--- a/e2e/ts/utils.ts
+++ b/e2e/ts/utils.ts
@@ -1,4 +1,5 @@
 import { BaseTelegramClientOptions } from '@mtcute/core'
+import { MemoryStorage } from '@mtcute/core/storage/memory.js'
 
 export const getApiParams = (): BaseTelegramClientOptions => {
     if (!process.env.API_ID || !process.env.API_HASH) {
@@ -9,5 +10,6 @@ export const getApiParams = (): BaseTelegramClientOptions => {
         apiId: parseInt(process.env.API_ID),
         apiHash: process.env.API_HASH,
         testMode: true,
+        storage: new MemoryStorage(),
     }
 }