diff --git a/index.html b/index.html
index fbbab0c..79e10e1 100644
--- a/index.html
+++ b/index.html
@@ -43,6 +43,6 @@
       })();
     </script>
     <script type="module" src="/src/index.js"></script>
-    <script src="https://js.hcaptcha.com/1/api.js" async defer></script>
+    <script src="https://challenges.cloudflare.com/turnstile/v0/api.js" async defer></script>
   </body>
 </html>
diff --git a/src/components/commun/Captcha.jsx b/src/components/commun/Captcha.jsx
index 390d480..184962d 100644
--- a/src/components/commun/Captcha.jsx
+++ b/src/components/commun/Captcha.jsx
@@ -1,15 +1,18 @@
 import React, { useEffect, useRef } from 'react';
+import PropTypes from 'prop-types';
 
-const SITE_KEY = '84e24b30-44ca-488c-9260-ec80c290c166';
+const SITE_KEY = '0x4AAAAAAA0pjEgohPDZsyqu';
 
-export default function Captcha() {
+export default function Captcha({ setWidgetId }) {
   const captchaRef = useRef(null);
 
   useEffect(() => {
-    if (window.hcaptcha) {
-      window.hcaptcha.render(captchaRef.current, {
+    if (window.turnstile) {
+      window.turnstile.remove();
+      const widgetId = window.turnstile.render(captchaRef.current, {
         sitekey: SITE_KEY,
       });
+      setWidgetId(widgetId);
     }
   }, []);
 
@@ -17,3 +20,7 @@ export default function Captcha() {
     <div ref={captchaRef}></div>
   );
 }
+
+Captcha.propTypes = {
+  setWidgetId: PropTypes.func,
+};
diff --git a/src/components/commun/Input.jsx b/src/components/commun/Input.jsx
index 682c965..e972c23 100644
--- a/src/components/commun/Input.jsx
+++ b/src/components/commun/Input.jsx
@@ -14,7 +14,7 @@ export default function Input({ children, id, isRequired = true, autoComplete =
           required={isRequired}
           autoComplete={autoComplete}
           pattern={pattern}
-          maxlength={maxlength}
+          maxLength={maxlength}
           onChange={onChange}
           list={list}
           min={min}
diff --git a/src/components/commun/ZoneDeTexte.jsx b/src/components/commun/ZoneDeTexte.jsx
index 55ed95e..5c6bfc9 100644
--- a/src/components/commun/ZoneDeTexte.jsx
+++ b/src/components/commun/ZoneDeTexte.jsx
@@ -7,7 +7,7 @@ export default function ZoneDeTexte({ children, id, isRequired = true, maxlength
       <label className="fr-label" htmlFor={id}>
         {children}
       </label>
-      <textarea className="fr-input" id={id} name={id} required={isRequired} maxlength={maxlength}></textarea>
+      <textarea className="fr-input" id={id} name={id} required={isRequired} maxLength={maxlength}></textarea>
     </div>
   );
 }
diff --git a/src/views/candidature-conseiller/AddressChooser.jsx b/src/views/candidature-conseiller/AddressChooser.jsx
index 194357a..7f054f1 100644
--- a/src/views/candidature-conseiller/AddressChooser.jsx
+++ b/src/views/candidature-conseiller/AddressChooser.jsx
@@ -25,7 +25,7 @@ export default function AddressChooser() {
       </Input>
       <Input type="hidden" id="lieuHabitationCodeCommune" value={codeCommune} testId="lieuHabitationCodeCommune-hidden"/>
       <datalist id="resultatsRecherche">
-        {villes.map(({ codesPostaux, nom }, key) => (
+        {villes?.map(({ codesPostaux, nom }, key) => (
           <option value={`${codesPostaux[0]} ${nom}`} key={key}>
             {codesPostaux[0]} {nom}
           </option>
diff --git a/src/views/candidature-conseiller/CandidatureConseiller.jsx b/src/views/candidature-conseiller/CandidatureConseiller.jsx
index d2c4c54..11926d0 100644
--- a/src/views/candidature-conseiller/CandidatureConseiller.jsx
+++ b/src/views/candidature-conseiller/CandidatureConseiller.jsx
@@ -25,6 +25,7 @@ export default function CandidatureConseiller() {
   const [dateDisponibilite, setDateDisponibilite] = useState('');
   const [isSituationValid, setIsSituationValid] = useState(true);
   const [validationError, setValidationError] = useState('');
+  const [widgetId, setWidgetId] = useState(null);
   const { buildConseillerData, creerCandidatureConseiller } = useApiAdmin();
 
   const navigate = useNavigate();
@@ -57,11 +58,11 @@ export default function CandidatureConseiller() {
       if (resultatCreation?.status >= 400) {
         const error = await resultatCreation.json();
         setValidationError(error.message);
-        window.hcaptcha.reset();
+        window.turnstile.reset(widgetId);
         window.scrollTo({ top: 0, behavior: 'smooth' });
       } else if (!resultatCreation.status) {
         setValidationError(resultatCreation.message);
-        window.hcaptcha.reset();
+        window.turnstile.reset(widgetId);
         window.scrollTo({ top: 0, behavior: 'smooth' });
       } else {
         navigate('/candidature-validee-conseiller');
@@ -95,7 +96,7 @@ export default function CandidatureConseiller() {
             <Motivation />
             <EnResume dateDisponibilite={dateDisponibilite} />
             <div className="fr-mt-2w fr-mb-2w">
-              <Captcha />
+              <Captcha setWidgetId={setWidgetId} widgetId={widgetId}/>
             </div>
             <button className="fr-btn cc-envoyer" type="submit">
               Envoyer votre candidature
diff --git a/src/views/candidature-conseiller/CandidatureConseiller.test.jsx b/src/views/candidature-conseiller/CandidatureConseiller.test.jsx
index 3166da8..86a9eb2 100644
--- a/src/views/candidature-conseiller/CandidatureConseiller.test.jsx
+++ b/src/views/candidature-conseiller/CandidatureConseiller.test.jsx
@@ -227,7 +227,7 @@ describe('candidature conseiller', () => {
 
     const descriptionMotivation = within(votreMotivation).getByLabelText('Votre message * Limité à 2500 caractères');
     expect(descriptionMotivation).toHaveAttribute('name', 'motivation');
-    expect(descriptionMotivation).toHaveAttribute('maxlength', '2500');
+    expect(descriptionMotivation).toHaveAttribute('maxLength', '2500');
     expect(descriptionMotivation).toBeRequired();
   });
 
@@ -441,8 +441,9 @@ describe('candidature conseiller', () => {
     vi.stubGlobal('fetch', vi.fn(
       () => ({ status: 400, json: async () => Promise.resolve({ message: 'Cette adresse mail est déjà utilisée' }) }))
     );
-    vi.stubGlobal('hcaptcha', {
+    vi.stubGlobal('turnstile', {
       reset: vi.fn(),
+      remove: vi.fn(),
       render: vi.fn()
     });
 
@@ -475,7 +476,7 @@ describe('candidature conseiller', () => {
     });
 
     // THEN
-    expect(window.hcaptcha.reset).toHaveBeenCalledTimes(1);
+    expect(window.turnstile.reset).toHaveBeenCalledTimes(1);
     const titreErreurValidation = screen.getByRole('heading', { level: 3, name: 'Erreur de validation' });
     expect(titreErreurValidation).toBeInTheDocument();
     const contenuErreurValidation = screen.getByText('Cette adresse mail est déjà utilisée', { selector: 'p' });
@@ -629,7 +630,7 @@ describe('candidature conseiller', () => {
         '1'
       ],
       [
-        'h-captcha-response',
+        'cf-turnstile-response',
         '1'
       ]
     ];
@@ -649,7 +650,7 @@ describe('candidature conseiller', () => {
       'dateDisponibilite': '2023-12-12',
       'distanceMax': '5',
       'motivation': 'je suis motivé !',
-      'h-captcha-response': '1',
+      'cf-turnstile-response': '1',
       'estEnEmploi': false,
       'estEnFormation': false,
       'estDiplomeMedNum': false,
@@ -678,8 +679,9 @@ describe('candidature conseiller', () => {
       creerCandidatureConseiller: vi.fn().mockReturnValue({ message: 'Failed to fetch' }),
       buildConseillerData: vi.fn(),
     }));
-    vi.stubGlobal('hcaptcha', {
+    vi.stubGlobal('turnstile', {
       reset: vi.fn(),
+      remove: vi.fn(),
       render: vi.fn()
     });
 
@@ -714,7 +716,7 @@ describe('candidature conseiller', () => {
     });
 
     // THEN
-    expect(window.hcaptcha.reset).toHaveBeenCalledTimes(1);
+    expect(window.turnstile.reset).toHaveBeenCalledTimes(1);
     const contenuErreurValidation = screen.getByText('Failed to fetch', { selector: 'p' });
     expect(contenuErreurValidation).toBeInTheDocument();
 
diff --git a/src/views/candidature-conseiller/useGeoApi.js b/src/views/candidature-conseiller/useGeoApi.js
index 5cfb21c..200fbe3 100644
--- a/src/views/candidature-conseiller/useGeoApi.js
+++ b/src/views/candidature-conseiller/useGeoApi.js
@@ -3,7 +3,7 @@ import { useState } from 'react';
 export const useGeoApi = () => {
   const [villes, setVilles] = useState([]);
 
-  const distinctVilles = villes => [...new Map(villes.map(item => [item.code, item])).values()];
+  const distinctVilles = villes => [...new Map(villes?.map(item => [item.code, item])).values()];
 
   const searchByName = async rechercheUtilisateur => {
     const baseUrlSearch = new URL('https://api-adresse.data.gouv.fr/search');
@@ -12,7 +12,7 @@ export const useGeoApi = () => {
     const villes = await fetch(url);
     const communes = await villes.json();
 
-    const resultat = communes?.features.map(result => ({
+    const resultat = communes?.features?.map(result => ({
       'nom': result.properties.municipality,
       'code': result.properties.citycode,
       'codesPostaux': [
diff --git a/src/views/candidature-coordinateur/CandidatureCoordinateur.jsx b/src/views/candidature-coordinateur/CandidatureCoordinateur.jsx
index 542ebb1..e455743 100644
--- a/src/views/candidature-coordinateur/CandidatureCoordinateur.jsx
+++ b/src/views/candidature-coordinateur/CandidatureCoordinateur.jsx
@@ -24,6 +24,7 @@ import '../candidature-conseiller/CandidatureConseiller.css';
 export default function CandidatureCoordinateur() {
   const [geoLocation, setGeoLocation] = useState(null);
   const [validationError, setValidationError] = useState('');
+  const [widgetId, setWidgetId] = useState(null);
   const [codeCommune, setCodeCommune] = useState('');
   const navigate = useNavigate();
   const { buildCoordinateurData, creerCandidatureCoordinateur } = useApiAdmin();
@@ -42,11 +43,11 @@ export default function CandidatureCoordinateur() {
     if (resultatCreation?.status >= 400) {
       const error = await resultatCreation.json();
       setValidationError(error.message);
-      window.hcaptcha.reset();
+      window.turnstile.reset(widgetId);
       window.scrollTo({ top: 0, behavior: 'smooth' });
     } else if (!resultatCreation.status) {
       setValidationError(resultatCreation.message);
-      window.hcaptcha.reset();
+      window.turnstile.reset(widgetId);
       window.scrollTo({ top: 0, behavior: 'smooth' });
     } else {
       navigate('/candidature-validee-structure');
@@ -76,7 +77,7 @@ export default function CandidatureCoordinateur() {
             <Motivation />
             <Engagement />
             <div className="fr-mt-2w fr-mb-2w">
-              <Captcha />
+              <Captcha setWidgetId={setWidgetId} widgetId={widgetId} />
             </div>
             <button className="fr-btn cc-envoyer" type="submit">
               Envoyer votre candidature
diff --git a/src/views/candidature-coordinateur/CandidatureCoordinateur.test.jsx b/src/views/candidature-coordinateur/CandidatureCoordinateur.test.jsx
index da324a2..e8f1845 100644
--- a/src/views/candidature-coordinateur/CandidatureCoordinateur.test.jsx
+++ b/src/views/candidature-coordinateur/CandidatureCoordinateur.test.jsx
@@ -260,8 +260,9 @@ describe('candidature coordinateur', () => {
     vi.stubGlobal('fetch', vi.fn(
       () => ({ status: 400, json: async () => Promise.resolve({ message: 'Cette adresse mail est déjà utilisée' }) }))
     );
-    vi.stubGlobal('hcaptcha', {
+    vi.stubGlobal('turnstile', {
       reset: vi.fn(),
+      remove: vi.fn(),
       render: vi.fn()
     });
 
@@ -304,7 +305,7 @@ describe('candidature coordinateur', () => {
     });
 
     // THEN
-    expect(window.hcaptcha.reset).toHaveBeenCalledTimes(1);
+    expect(window.turnstile.reset).toHaveBeenCalledTimes(1);
     const titreErreurValidation = screen.getByRole('heading', { level: 3, name: 'Erreur de validation' });
     expect(titreErreurValidation).toBeInTheDocument();
     const contenuErreurValidation = screen.getByText('Cette adresse mail est déjà utilisée', { selector: 'p' });
@@ -432,7 +433,7 @@ describe('candidature coordinateur', () => {
         '1'
       ],
       [
-        'h-captcha-response',
+        'cf-turnstile-response',
         '1'
       ]
     ];
@@ -456,7 +457,7 @@ describe('candidature coordinateur', () => {
       'dateDebutMission': '2023-12-12',
       'motivation': 'je suis motivé !',
       'confirmationEngagement': true,
-      'h-captcha-response': '1',
+      'cf-turnstile-response': '1',
       'contact': {
         'prenom': 'Jean', 'nom': 'Dupont',
         'fonction': 'Test', 'email':
@@ -485,8 +486,9 @@ describe('candidature coordinateur', () => {
       creerCandidatureCoordinateur: vi.fn().mockReturnValue({ message: 'Failed to fetch' }),
       buildCoordinateurData: vi.fn(),
     }));
-    vi.stubGlobal('hcaptcha', {
+    vi.stubGlobal('turnstile', {
       reset: vi.fn(),
+      remove: vi.fn(),
       render: vi.fn()
     });
 
@@ -530,7 +532,7 @@ describe('candidature coordinateur', () => {
 
 
     // THEN
-    expect(window.hcaptcha.reset).toHaveBeenCalledTimes(1);
+    expect(window.turnstile.reset).toHaveBeenCalledTimes(1);
     const contenuErreurValidation = screen.getByText('Failed to fetch', { selector: 'p' });
     expect(contenuErreurValidation).toBeInTheDocument();
 
diff --git a/src/views/candidature-structure/CandidatureStructure.jsx b/src/views/candidature-structure/CandidatureStructure.jsx
index f69348d..4f5f70b 100644
--- a/src/views/candidature-structure/CandidatureStructure.jsx
+++ b/src/views/candidature-structure/CandidatureStructure.jsx
@@ -24,6 +24,7 @@ import '../candidature-conseiller/CandidatureConseiller.css';
 export default function CandidatureStructure() {
   const [geoLocation, setGeoLocation] = useState(null);
   const [codeCommune, setCodeCommune] = useState('');
+  const [widgetId, setWidgetId] = useState(null);
   const [validationError, setValidationError] = useState('');
   const navigate = useNavigate();
   const { buildStructureData, creerCandidatureStructure } = useApiAdmin();
@@ -43,11 +44,11 @@ export default function CandidatureStructure() {
     if (resultatCreation?.status >= 400) {
       const error = await resultatCreation.json();
       setValidationError(error.message);
-      window.hcaptcha.reset();
+      window.turnstile.reset(widgetId);
       window.scrollTo({ top: 0, behavior: 'smooth' });
     } else if (!resultatCreation.status) {
       setValidationError(resultatCreation.message);
-      window.hcaptcha.reset();
+      window.turnstile.reset(widgetId);
       window.scrollTo({ top: 0, behavior: 'smooth' });
     } else {
       navigate('/candidature-validee-structure');
@@ -77,7 +78,7 @@ export default function CandidatureStructure() {
             <Motivation />
             <Engagement />
             <div className="fr-mt-2w fr-mb-2w">
-              <Captcha />
+              <Captcha setWidgetId={setWidgetId} widgetId={widgetId}/>
             </div>
             <button className="fr-btn cc-envoyer" type="submit">
               Envoyer votre candidature
diff --git a/src/views/candidature-structure/CandidatureStructure.test.jsx b/src/views/candidature-structure/CandidatureStructure.test.jsx
index 79c266a..b3325ef 100644
--- a/src/views/candidature-structure/CandidatureStructure.test.jsx
+++ b/src/views/candidature-structure/CandidatureStructure.test.jsx
@@ -349,8 +349,9 @@ describe('candidature structure', () => {
     vi.stubGlobal('fetch', vi.fn(
       () => ({ status: 400, json: async () => Promise.resolve({ message: 'Cette adresse mail est déjà utilisée' }) }))
     );
-    vi.stubGlobal('hcaptcha', {
+    vi.stubGlobal('turnstile', {
       reset: vi.fn(),
+      remove: vi.fn(),
       render: vi.fn()
     });
 
@@ -393,7 +394,7 @@ describe('candidature structure', () => {
     });
 
     // THEN
-    expect(window.hcaptcha.reset).toHaveBeenCalledTimes(1);
+    expect(window.turnstile.reset).toHaveBeenCalledTimes(1);
     const titreErreurValidation = screen.getByRole('heading', { level: 3, name: 'Erreur de validation' });
     expect(titreErreurValidation).toBeInTheDocument();
     const contenuErreurValidation = screen.getByText('Cette adresse mail est déjà utilisée', { selector: 'p' });
@@ -521,7 +522,7 @@ describe('candidature structure', () => {
         '1'
       ],
       [
-        'h-captcha-response',
+        'cf-turnstile-response',
         '1'
       ]
     ];
@@ -545,7 +546,7 @@ describe('candidature structure', () => {
       'dateDebutMission': '2024-12-12',
       'motivation': 'je suis motivé !',
       'confirmationEngagement': true,
-      'h-captcha-response': '1',
+      'cf-turnstile-response': '1',
       'location': { 'type': 'Point', 'coordinates': [2.3115, 48.8548] },
       'contact': {
         'prenom': 'Jean',
@@ -575,8 +576,9 @@ describe('candidature structure', () => {
       creerCandidatureStructure: vi.fn().mockReturnValue({ message: 'Failed to fetch' }),
       buildStructureData: vi.fn(),
     }));
-    vi.stubGlobal('hcaptcha', {
+    vi.stubGlobal('turnstile', {
       reset: vi.fn(),
+      remove: vi.fn(),
       render: vi.fn()
     });
 
@@ -620,7 +622,7 @@ describe('candidature structure', () => {
 
 
     // THEN
-    expect(window.hcaptcha.reset).toHaveBeenCalledTimes(1);
+    expect(window.turnstile.reset).toHaveBeenCalledTimes(1);
     const contenuErreurValidation = screen.getByText('Failed to fetch', { selector: 'p' });
     expect(contenuErreurValidation).toBeInTheDocument();