diff --git a/packages/transport/package.json b/packages/transport/package.json
index e212e4ce92c..5311df6d168 100644
--- a/packages/transport/package.json
+++ b/packages/transport/package.json
@@ -55,6 +55,7 @@
         "@trezor/protobuf": "workspace:*",
         "@trezor/protocol": "workspace:*",
         "@trezor/utils": "workspace:*",
+        "cross-fetch": "^4.0.0",
         "json-stable-stringify": "^1.1.1",
         "long": "^4.0.0",
         "protobufjs": "7.2.6",
diff --git a/packages/transport/src/utils/bridgeApiCall.ts b/packages/transport/src/utils/bridgeApiCall.ts
index eeea611d14b..0f3544633e8 100644
--- a/packages/transport/src/utils/bridgeApiCall.ts
+++ b/packages/transport/src/utils/bridgeApiCall.ts
@@ -1,3 +1,5 @@
+import fetch from 'cross-fetch';
+
 import { success, error, unknownError } from './result';
 
 import * as ERRORS from '../errors';
diff --git a/packages/trezor-user-env-link/package.json b/packages/trezor-user-env-link/package.json
index 8757fe81e59..e0663ec32c4 100644
--- a/packages/trezor-user-env-link/package.json
+++ b/packages/trezor-user-env-link/package.json
@@ -10,6 +10,7 @@
     },
     "dependencies": {
         "@trezor/utils": "workspace:*",
+        "cross-fetch": "^4.0.0",
         "ws": "^8.16.0"
     }
 }
diff --git a/packages/trezor-user-env-link/src/websocket-client.ts b/packages/trezor-user-env-link/src/websocket-client.ts
index e351a252398..cf753de6205 100644
--- a/packages/trezor-user-env-link/src/websocket-client.ts
+++ b/packages/trezor-user-env-link/src/websocket-client.ts
@@ -2,6 +2,7 @@
 
 import WebSocket from 'ws';
 import { EventEmitter } from 'events';
+import fetch from 'cross-fetch';
 
 import { createDeferred, Deferred } from '@trezor/utils';
 
diff --git a/yarn.lock b/yarn.lock
index b3cade4346d..ab2c4020ca3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -10561,6 +10561,7 @@ __metadata:
     "@types/bytebuffer": "npm:^5.0.48"
     "@types/sharedworker": "npm:^0.0.111"
     "@types/w3c-web-usb": "npm:^1.0.10"
+    cross-fetch: "npm:^4.0.0"
     jest: "npm:29.7.0"
     json-stable-stringify: "npm:^1.1.1"
     long: "npm:^4.0.0"
@@ -10578,6 +10579,7 @@ __metadata:
   resolution: "@trezor/trezor-user-env-link@workspace:packages/trezor-user-env-link"
   dependencies:
     "@trezor/utils": "workspace:*"
+    cross-fetch: "npm:^4.0.0"
     ws: "npm:^8.16.0"
   languageName: unknown
   linkType: soft