diff --git a/package.json b/package.json
index 4361b39..be06fed 100644
--- a/package.json
+++ b/package.json
@@ -47,6 +47,7 @@
     "@koa/router": "^12.0.0",
     "@solid/access-token-verifier": "^2.0.5",
     "bcryptjs": "^2.4.3",
+    "cross-fetch": "^4.0.0",
     "dotenv": "^16.0.0",
     "koa": "^2.14.2",
     "koa-helmet": "^7.0.2",
diff --git a/src/controllers/integration.ts b/src/controllers/integration.ts
index ceef4b7..12027de 100644
--- a/src/controllers/integration.ts
+++ b/src/controllers/integration.ts
@@ -1,4 +1,5 @@
 import { compare, hash } from 'bcryptjs'
+import fetch from 'cross-fetch'
 import crypto from 'crypto'
 import { Middleware } from 'koa'
 import { pick } from 'lodash'
diff --git a/src/helpers.ts b/src/helpers.ts
index 1c36e4b..a7d11cc 100644
--- a/src/helpers.ts
+++ b/src/helpers.ts
@@ -4,6 +4,7 @@ import {
   generateDpopKeyPair,
 } from '@inrupt/solid-client-authn-core'
 import { expect } from 'chai'
+import fetch from 'cross-fetch'
 import * as uuid from 'uuid'
 
 type Credentials = { email: string; password: string }
diff --git a/src/test/integration-finish.spec.ts b/src/test/integration-finish.spec.ts
index ea9732f..33ccc7b 100644
--- a/src/test/integration-finish.spec.ts
+++ b/src/test/integration-finish.spec.ts
@@ -1,5 +1,6 @@
 import { expect } from 'chai'
 import * as cheerio from 'cheerio'
+import fetch from 'cross-fetch'
 import { describe } from 'mocha'
 import Mail from 'nodemailer/lib/mailer'
 import { SinonSandbox, SinonSpy, createSandbox } from 'sinon'
diff --git a/src/test/integration-start.spec.ts b/src/test/integration-start.spec.ts
index 4b9314c..142410a 100644
--- a/src/test/integration-start.spec.ts
+++ b/src/test/integration-start.spec.ts
@@ -1,4 +1,5 @@
 import { expect } from 'chai'
+import fetch from 'cross-fetch'
 import { describe } from 'mocha'
 import Mail from 'nodemailer/lib/mailer'
 import { SinonSandbox, SinonSpy, createSandbox } from 'sinon'
diff --git a/src/test/notification.spec.ts b/src/test/notification.spec.ts
index 75e6050..5f3f426 100644
--- a/src/test/notification.spec.ts
+++ b/src/test/notification.spec.ts
@@ -1,5 +1,6 @@
 import { expect } from 'chai'
 import * as cheerio from 'cheerio'
+import fetch from 'cross-fetch'
 import { describe } from 'mocha'
 import Mail from 'nodemailer/lib/mailer'
 import { SinonSandbox, SinonSpy, createSandbox } from 'sinon'
diff --git a/src/test/status.spec.ts b/src/test/status.spec.ts
index d2f10a8..c1f22e4 100644
--- a/src/test/status.spec.ts
+++ b/src/test/status.spec.ts
@@ -1,5 +1,6 @@
 import { expect } from 'chai'
 import * as cheerio from 'cheerio'
+import fetch from 'cross-fetch'
 import { describe } from 'mocha'
 import Mail from 'nodemailer/lib/mailer'
 import { SinonSandbox, SinonSpy, createSandbox } from 'sinon'