diff --git a/package.json b/package.json
index 3814507a..a312567d 100644
--- a/package.json
+++ b/package.json
@@ -81,7 +81,7 @@
         "styled-components": "^4.1.3",
         "styled-normalize": "^8.0.6",
         "trezor-bridge-communicator": "1.0.2",
-        "trezor-connect": "7.0.0-beta.3",
+        "trezor-connect": "7.0.2-electron.4",
         "trezor-ui-components": "^1.0.0-beta.10",
         "wallet-address-validator": "^0.2.4",
         "web3": "1.0.0-beta.35",
diff --git a/src/actions/TrezorConnectActions.js b/src/actions/TrezorConnectActions.js
index 0b5ce5f2..e7d7315e 100644
--- a/src/actions/TrezorConnectActions.js
+++ b/src/actions/TrezorConnectActions.js
@@ -155,7 +155,7 @@ export const init = (): AsyncAction => async (
     if (buildUtils.isDev()) {
         // eslint-disable-next-line
         window.__TREZOR_CONNECT_SRC =
-            typeof LOCAL === 'string' ? LOCAL : 'https://sisyfos.trezor.io/connect/'; // eslint-disable-line no-underscore-dangle
+            typeof LOCAL === 'string' ? LOCAL : 'https://sisyfos.trezor.io/connect-electron/'; // eslint-disable-line no-underscore-dangle
         // window.__TREZOR_CONNECT_SRC = typeof LOCAL === 'string' ? LOCAL : 'https://localhost:8088/'; // eslint-disable-line no-underscore-dangle
         window.TrezorConnect = TrezorConnect;
     }
diff --git a/src/flowtype/index.js b/src/flowtype/index.js
index 88445c32..be8638cf 100644
--- a/src/flowtype/index.js
+++ b/src/flowtype/index.js
@@ -119,15 +119,8 @@ type UiEventAction = {
     // },
 };
 
-// TODO: join this message with uiMessage
-type IFrameHandshake = {
-    type: 'iframe_handshake',
-    payload: any,
-};
-
 export type Action =
     | RouterAction
-    | IFrameHandshake
     | TransportEventAction
     | DeviceEventAction
     | UiEventAction
diff --git a/src/reducers/TrezorConnectReducer.js b/src/reducers/TrezorConnectReducer.js
index 7d087f18..135a1dd4 100644
--- a/src/reducers/TrezorConnectReducer.js
+++ b/src/reducers/TrezorConnectReducer.js
@@ -1,5 +1,5 @@
 /* @flow */
-import { TRANSPORT, UI } from 'trezor-connect';
+import { TRANSPORT, IFRAME } from 'trezor-connect';
 import * as CONNECT from 'actions/constants/TrezorConnect';
 
 import type { Action } from 'flowtype';
@@ -66,7 +66,7 @@ export default function connect(state: State = initialState, action: Action): St
                 error: action.error,
             };
         // trezor-connect iframe loaded
-        case UI.IFRAME_HANDSHAKE:
+        case IFRAME.LOADED:
             return {
                 ...state,
                 initialized: true,
diff --git a/yarn.lock b/yarn.lock
index 2fba5514..b9bc7c3a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -11151,10 +11151,10 @@ trezor-bridge-communicator@1.0.2:
     request "^2.88.0"
     whatwg-fetch "^3.0.0"
 
-trezor-connect@7.0.0-beta.3:
-  version "7.0.0-beta.3"
-  resolved "https://registry.yarnpkg.com/trezor-connect/-/trezor-connect-7.0.0-beta.3.tgz#34aff422e36745eac24a266bcdfa266282ac5255"
-  integrity sha512-aRh+Vzfqy/2GMJnsvtrzGhwi9j9wjOkBrNN62HTD2sDXLrcROlQMHBCd5lPjSZaJk1npjw5rrvhPS3G9IeyiVw==
+trezor-connect@7.0.2-electron.4:
+  version "7.0.2-electron.4"
+  resolved "https://registry.yarnpkg.com/trezor-connect/-/trezor-connect-7.0.2-electron.4.tgz#2fad96f11f0136dada5ae6a4dbc4a24b8408a131"
+  integrity sha512-c+DyAnaSI5GeSw7ETSK3CzekDsHR2vI5qltNavpmg8B16aBLvyeL89VCkXZQrxdZGESvO5/vcOMbr1Rdp/sGPQ==
   dependencies:
     "@babel/runtime" "^7.3.1"
     events "^3.0.0"