diff --git a/src/components/ButtonsToolbar/test.spec.jsx b/src/components/ButtonsToolbar/test.spec.jsx
index eefa0d0e2..46f0ab835 100644
--- a/src/components/ButtonsToolbar/test.spec.jsx
+++ b/src/components/ButtonsToolbar/test.spec.jsx
@@ -45,7 +45,7 @@ const Wrap = ({children}) => (
 );
 
 it('Last step of submittable form, button is present', () => {
-  const mockFunction = jest.fn();
+  const mockFunction = vi.fn();
 
   act(() => {
     root.render(
@@ -76,7 +76,7 @@ it('Last step of submittable form, button is present', () => {
 });
 
 it('Last step of non-submittable form with overview, button is present', () => {
-  const mockFunction = jest.fn();
+  const mockFunction = vi.fn();
 
   act(() => {
     root.render(
@@ -107,7 +107,7 @@ it('Last step of non-submittable form with overview, button is present', () => {
 });
 
 it('Last step of non-submittable form without overview, button is NOT present', () => {
-  const mockFunction = jest.fn();
+  const mockFunction = vi.fn();
 
   act(() => {
     root.render(
@@ -137,7 +137,7 @@ it('Last step of non-submittable form without overview, button is NOT present',
 });
 
 it('Non-last step of non-submittable form without overview, button IS present', () => {
-  const mockFunction = jest.fn();
+  const mockFunction = vi.fn();
 
   act(() => {
     root.render(
@@ -168,7 +168,7 @@ it('Non-last step of non-submittable form without overview, button IS present',
 });
 
 it('Suspending form allowed, button is present', () => {
-  const mockFunction = jest.fn();
+  const mockFunction = vi.fn();
 
   renderTest(
     <Wrap>
@@ -191,7 +191,7 @@ it('Suspending form allowed, button is present', () => {
 });
 
 it('Suspending form not allowed, button is NOT present', () => {
-  const mockFunction = jest.fn();
+  const mockFunction = vi.fn();
 
   renderTest(
     <Wrap>
diff --git a/src/components/Form.spec.jsx b/src/components/Form.spec.jsx
index c57f70faf..b061d4ebc 100644
--- a/src/components/Form.spec.jsx
+++ b/src/components/Form.spec.jsx
@@ -12,7 +12,7 @@ import {routes} from 'components/App';
 
 import {START_FORM_QUERY_PARAM} from './constants';
 
-window.scrollTo = jest.fn();
+window.scrollTo = vi.fn();
 
 beforeEach(() => {
   localStorage.clear();
@@ -23,7 +23,7 @@ afterEach(() => {
 });
 
 afterAll(() => {
-  jest.clearAllMocks();
+  vi.clearAllMocks();
 });
 
 const Wrapper = ({form = buildForm(), initialEntry = '/startpagina'}) => {
diff --git a/src/components/FormStart/tests.spec.jsx b/src/components/FormStart/tests.spec.jsx
index 72ab89450..3be396035 100644
--- a/src/components/FormStart/tests.spec.jsx
+++ b/src/components/FormStart/tests.spec.jsx
@@ -10,8 +10,8 @@ import useQuery from 'hooks/useQuery';
 import FormStart from '.';
 import {testForm, testLoginForm} from './fixtures';
 
-jest.mock('hooks/useQuery');
-let scrollIntoViewMock = jest.fn();
+vi.mock('hooks/useQuery');
+let scrollIntoViewMock = vi.fn();
 window.HTMLElement.prototype.scrollIntoView = scrollIntoViewMock;
 
 const Wrap = ({children}) => (
@@ -24,8 +24,8 @@ it('Form start page start if _start parameter is present', async () => {
   const testLocation = new URLSearchParams('?_start=1');
   useQuery.mockReturnValue(testLocation);
 
-  const onFormStart = jest.fn();
-  const onDestroySession = jest.fn();
+  const onFormStart = vi.fn();
+  const onDestroySession = vi.fn();
 
   render(
     <Wrap>
@@ -55,8 +55,8 @@ it.each([
 ])(
   'Form start does not start if there are auth errors / %s',
   async (testQuery, expectedMessage) => {
-    const onFormStart = jest.fn();
-    const onDestroySession = jest.fn();
+    const onFormStart = vi.fn();
+    const onDestroySession = vi.fn();
 
     const testLocation = new URLSearchParams(`?_start=1&${testQuery}`);
     useQuery.mockReturnValue(testLocation);
@@ -74,8 +74,8 @@ it.each([
 
 it('Form start page does not show login buttons if an active submission is present', async () => {
   useQuery.mockReturnValue(new URLSearchParams());
-  const onFormStart = jest.fn();
-  const onDestroySession = jest.fn();
+  const onFormStart = vi.fn();
+  const onDestroySession = vi.fn();
 
   render(
     <Wrap>
@@ -95,8 +95,8 @@ it('Form start page does not show login buttons if an active submission is prese
 
 it('Form start page with initial_data_reference', async () => {
   useQuery.mockReturnValue(new URLSearchParams());
-  const onFormStart = jest.fn();
-  const onDestroySession = jest.fn();
+  const onFormStart = vi.fn();
+  const onDestroySession = vi.fn();
 
   render(
     <Wrap>
diff --git a/src/components/LoginOptions/tests.spec.jsx b/src/components/LoginOptions/tests.spec.jsx
index 1e947afbe..8da223d7e 100644
--- a/src/components/LoginOptions/tests.spec.jsx
+++ b/src/components/LoginOptions/tests.spec.jsx
@@ -36,7 +36,7 @@ const Wrapper = ({form, onFormStart}) => {
 it('Login not required, options wrapped in form tag', async () => {
   const user = userEvent.setup();
   const form = buildForm({loginRequired: false, loginOptions: [], cosignLoginOptions: []});
-  const onFormStart = jest.fn(e => e.preventDefault());
+  const onFormStart = vi.fn(e => e.preventDefault());
 
   render(<Wrapper form={form} onFormStart={onFormStart} />);
 
@@ -69,7 +69,7 @@ it('Login required, options not wrapped in form tag', async () => {
     ],
     cosignLoginOptions: [],
   });
-  const onFormStart = jest.fn(e => e.preventDefault());
+  const onFormStart = vi.fn(e => e.preventDefault());
 
   const {location} = window;
   delete window.location;
@@ -112,7 +112,7 @@ it('Login button has the right URL after cancelling log in', async () => {
     cosignLoginOptions: [],
   });
 
-  const onFormStart = jest.fn(e => e.preventDefault());
+  const onFormStart = vi.fn(e => e.preventDefault());
 
   const {location} = window;
   delete window.location;
diff --git a/src/components/Summary/test.spec.jsx b/src/components/Summary/test.spec.jsx
index 70191e9f0..bc8b07887 100644
--- a/src/components/Summary/test.spec.jsx
+++ b/src/components/Summary/test.spec.jsx
@@ -31,8 +31,8 @@ const SUBMISSION = {
   isAuthenticated: false,
 };
 
-jest.mock('react-use');
-jest.mock('hooks/useRefreshSubmission');
+vi.mock('react-use');
+vi.mock('hooks/useRefreshSubmission');
 
 let container = null;
 let root = null;
@@ -64,8 +64,8 @@ it('Summary displays logout button if isAuthenticated is true', () => {
     ...SUBMISSION,
     isAuthenticated: true,
   };
-  const onDestroySession = jest.fn();
-  const onConfirm = jest.fn();
+  const onDestroySession = vi.fn();
+  const onConfirm = vi.fn();
 
   useAsync.mockReturnValue({loading: false, value: []});
   useRefreshSubmission.mockReturnValue(submissionIsAuthenticated);
@@ -92,8 +92,8 @@ it('Summary does not display logout button if loginRequired is false', () => {
     ...testForm,
     loginRequired: false,
   };
-  const onDestroySession = jest.fn();
-  const onConfirm = jest.fn();
+  const onDestroySession = vi.fn();
+  const onConfirm = vi.fn();
 
   useAsync.mockReturnValue({loading: false, value: []});
   useRefreshSubmission.mockReturnValue({...SUBMISSION, isAuthenticated: false});
@@ -116,8 +116,8 @@ it('Summary does not display logout button if loginRequired is false', () => {
 });
 
 it('Summary displays abort button if isAuthenticated is false', () => {
-  const onDestroySession = jest.fn();
-  const onConfirm = jest.fn();
+  const onDestroySession = vi.fn();
+  const onConfirm = vi.fn();
 
   useAsync.mockReturnValue({loading: false, value: []});
   useRefreshSubmission.mockReturnValue({...SUBMISSION, isAuthenticated: false});
diff --git a/src/components/SummaryConfirmation/test.spec.jsx b/src/components/SummaryConfirmation/test.spec.jsx
index f0deea168..ec086a9e8 100644
--- a/src/components/SummaryConfirmation/test.spec.jsx
+++ b/src/components/SummaryConfirmation/test.spec.jsx
@@ -39,7 +39,7 @@ const Wrapper = ({children}) => (
     <LiteralsProvider literals={LITERALS}>
       <Formik
         initialValues={{privacyPolicyAccepted: false, statementOfTruthAccepted: false}}
-        onSubmit={jest.fn()}
+        onSubmit={vi.fn()}
       >
         {children}
       </Formik>
@@ -48,7 +48,7 @@ const Wrapper = ({children}) => (
 );
 
 it('Summary of non-submittable form, button is NOT present', () => {
-  const mockFunction = jest.fn();
+  const mockFunction = vi.fn();
 
   renderTest(
     <Wrapper>
@@ -66,7 +66,7 @@ it('Summary of non-submittable form, button is NOT present', () => {
 });
 
 it('Summary of submittable form, button IS present', () => {
-  const mockFunction = jest.fn();
+  const mockFunction = vi.fn();
 
   renderTest(
     <Wrapper>
diff --git a/src/components/appointments/CreateAppointment/CreateAppointment.spec.jsx b/src/components/appointments/CreateAppointment/CreateAppointment.spec.jsx
index 1c7143328..4f0c9998e 100644
--- a/src/components/appointments/CreateAppointment/CreateAppointment.spec.jsx
+++ b/src/components/appointments/CreateAppointment/CreateAppointment.spec.jsx
@@ -24,8 +24,8 @@ import {
 } from '../mocks';
 import {SESSION_STORAGE_KEY as APPOINTMENT_SESSION_STORAGE_KEY} from './CreateAppointmentState';
 
-// scrollIntoView is not not supported in Jest
-let scrollIntoViewMock = jest.fn();
+// scrollIntoView is not not supported in jest-dom
+let scrollIntoViewMock = vi.fn();
 window.HTMLElement.prototype.scrollIntoView = scrollIntoViewMock;
 
 const routes = [
diff --git a/src/components/appointments/CreateAppointment/Summary.spec.jsx b/src/components/appointments/CreateAppointment/Summary.spec.jsx
index 9e4a19f4c..efaf979ab 100644
--- a/src/components/appointments/CreateAppointment/Summary.spec.jsx
+++ b/src/components/appointments/CreateAppointment/Summary.spec.jsx
@@ -1,4 +1,3 @@
-import {jest} from '@jest/globals';
 import {render as realRender, screen, waitFor} from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
 import messagesEN from 'i18n/compiled/en.json';
@@ -164,7 +163,7 @@ describe('The appointment summary', () => {
   it('processes backend validation errors', async () => {
     mswServer.use(mockAppointmentErrorPost);
     const user = userEvent.setup({delay: null});
-    const errorHandler = jest.fn();
+    const errorHandler = vi.fn();
 
     renderSummary(errorHandler);
 
diff --git a/src/components/appointments/fields/DateSelect.spec.jsx b/src/components/appointments/fields/DateSelect.spec.jsx
index e34ebba4a..670434a56 100644
--- a/src/components/appointments/fields/DateSelect.spec.jsx
+++ b/src/components/appointments/fields/DateSelect.spec.jsx
@@ -1,4 +1,3 @@
-import {jest} from '@jest/globals';
 import {act, render as realRender, screen, waitFor} from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
 import {Formik} from 'formik';
@@ -41,15 +40,15 @@ const render = (comp, locationId) =>
   );
 
 beforeEach(() => {
-  jest.useFakeTimers({
+  vi.useFakeTimers({
     advanceTimers: true,
     now: new Date('2023-06-12T14:00:00Z'),
   });
 });
 
 afterEach(() => {
-  jest.runOnlyPendingTimers();
-  jest.useRealTimers();
+  vi.runOnlyPendingTimers();
+  vi.useRealTimers();
 });
 
 describe('The appointment date select', () => {
diff --git a/src/components/appointments/fields/TimeSelect.spec.jsx b/src/components/appointments/fields/TimeSelect.spec.jsx
index 998e1511a..49cda6606 100644
--- a/src/components/appointments/fields/TimeSelect.spec.jsx
+++ b/src/components/appointments/fields/TimeSelect.spec.jsx
@@ -1,4 +1,3 @@
-import {jest} from '@jest/globals';
 import {act, render as realRender, screen, waitFor} from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
 import {Formik} from 'formik';
@@ -39,15 +38,15 @@ const render = (comp, locationId) =>
   );
 
 beforeEach(() => {
-  jest.useFakeTimers({
+  vi.useFakeTimers({
     advanceTimers: true,
     now: new Date('2023-06-12T14:00:00Z'),
   });
 });
 
 afterEach(() => {
-  jest.runOnlyPendingTimers();
-  jest.useRealTimers();
+  vi.runOnlyPendingTimers();
+  vi.useRealTimers();
 });
 
 describe('The appointment time select', () => {
diff --git a/src/components/appointments/steps/LocationAndTimeStep.spec.jsx b/src/components/appointments/steps/LocationAndTimeStep.spec.jsx
index daf42d0bd..efe4d3363 100644
--- a/src/components/appointments/steps/LocationAndTimeStep.spec.jsx
+++ b/src/components/appointments/steps/LocationAndTimeStep.spec.jsx
@@ -1,4 +1,3 @@
-import {jest} from '@jest/globals';
 import {act, render as realRender, screen, waitFor} from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
 import messagesEN from 'i18n/compiled/en.json';
@@ -59,15 +58,15 @@ const render = initialValues => {
 };
 
 beforeEach(() => {
-  jest.useFakeTimers({
+  vi.useFakeTimers({
     advanceTimers: true,
     now: new Date('2023-06-12T14:00:00Z'),
   });
 });
 
 afterEach(() => {
-  jest.runOnlyPendingTimers();
-  jest.useRealTimers();
+  vi.runOnlyPendingTimers();
+  vi.useRealTimers();
   window.sessionStorage.clear();
 });
 
diff --git a/src/components/auth/AuthenticationErrors/tests.spec.jsx b/src/components/auth/AuthenticationErrors/tests.spec.jsx
index 5fd2a7e25..ea26fb4ad 100644
--- a/src/components/auth/AuthenticationErrors/tests.spec.jsx
+++ b/src/components/auth/AuthenticationErrors/tests.spec.jsx
@@ -6,7 +6,7 @@ import {IntlProvider} from 'react-intl';
 
 import {AuthenticationErrors} from '.';
 
-let scrollIntoViewMock = jest.fn();
+let scrollIntoViewMock = vi.fn();
 window.HTMLElement.prototype.scrollIntoView = scrollIntoViewMock;
 
 let container = null;
diff --git a/src/jstests/formio/components/date.spec.js b/src/jstests/formio/components/date.spec.js
index b9ce0b14b..c393ec884 100644
--- a/src/jstests/formio/components/date.spec.js
+++ b/src/jstests/formio/components/date.spec.js
@@ -110,12 +110,12 @@ describe('Date Component', () => {
       },
     };
 
-    const mockTranslation = jest.fn((message, values) => message);
+    const mockTranslation = vi.fn((message, values) => message);
 
     const componentInstance = new FormioComponent(component, {}, {});
     componentInstance.t = mockTranslation;
     componentInstance.options.intl = {
-      formatDate: jest.fn((date, options) => 'formatted date'),
+      formatDate: vi.fn((date, options) => 'formatted date'),
     };
 
     set(
diff --git a/src/jstests/formio/components/datetime.spec.js b/src/jstests/formio/components/datetime.spec.js
index 2ea46ff7c..5bee2b172 100644
--- a/src/jstests/formio/components/datetime.spec.js
+++ b/src/jstests/formio/components/datetime.spec.js
@@ -150,12 +150,12 @@ describe('Datetime Component', () => {
       },
     };
 
-    const mockTranslation = jest.fn((message, values) => message);
+    const mockTranslation = vi.fn((message, values) => message);
 
     const componentInstance = new FormioComponent(component, {}, {});
     componentInstance.t = mockTranslation;
     componentInstance.options.intl = {
-      formatDate: jest.fn((date, options) => 'formatted date'),
+      formatDate: vi.fn((date, options) => 'formatted date'),
     };
 
     set(
diff --git a/src/sdk.spec.jsx b/src/sdk.spec.jsx
index f4a193b43..5237f4d56 100644
--- a/src/sdk.spec.jsx
+++ b/src/sdk.spec.jsx
@@ -6,8 +6,8 @@ import {mockFormioTranslations, mockLanguageInfoGet} from 'components/LanguageSe
 
 import {OpenForm} from './sdk';
 
-// scrollIntoView is not supported in Jest
-let scrollIntoViewMock = jest.fn();
+// scrollIntoView is not supported in jest-dom
+let scrollIntoViewMock = vi.fn();
 window.HTMLElement.prototype.scrollIntoView = scrollIntoViewMock;
 
 const LANGUAGES = [
@@ -123,7 +123,7 @@ describe('OpenForm', () => {
     mswServer.use(...apiMocks);
     const formRoot = document.createElement('div');
     const target = document.createElement('div');
-    const onLanguageChangeMock = jest.fn();
+    const onLanguageChangeMock = vi.fn();
 
     const form = new OpenForm(formRoot, {
       baseUrl: BASE_URL,