diff --git a/.changes/unreleased/Fixed-20250918-114044.yaml b/.changes/unreleased/Fixed-20250918-114044.yaml
new file mode 100644
index 000000000..fe50576fe
--- /dev/null
+++ b/.changes/unreleased/Fixed-20250918-114044.yaml
@@ -0,0 +1,6 @@
+kind: Fixed
+body: Increased the number of required characters when setting a new password in Chill from 9 to 14 - GDPR compliance
+time: 2025-09-18T11:40:44.858533536+02:00
+custom:
+    Issue: "426"
+    SchemaChange: No schema change
diff --git a/src/Bundle/ChillMainBundle/Form/UserPasswordType.php b/src/Bundle/ChillMainBundle/Form/UserPasswordType.php
index 256e68731..d3afb9250 100644
--- a/src/Bundle/ChillMainBundle/Form/UserPasswordType.php
+++ b/src/Bundle/ChillMainBundle/Form/UserPasswordType.php
@@ -59,7 +59,7 @@ class UserPasswordType extends AbstractType
                 'invalid_message' => 'The password fields must match',
                 'constraints' => [
                     new Length([
-                        'min' => 9,
+                        'min' => 14,
                         'minMessage' => 'The password must be greater than {{ limit }} characters',
                     ]),
                     new NotBlank(),
diff --git a/src/Bundle/ChillMainBundle/Tests/Controller/UserControllerTest.php b/src/Bundle/ChillMainBundle/Tests/Controller/UserControllerTest.php
index ba76df8ca..e135d3447 100644
--- a/src/Bundle/ChillMainBundle/Tests/Controller/UserControllerTest.php
+++ b/src/Bundle/ChillMainBundle/Tests/Controller/UserControllerTest.php
@@ -45,7 +45,7 @@ final class UserControllerTest extends WebTestCase
         self::assertResponseIsSuccessful();
 
         $username = 'Test_user'.uniqid();
-        $password = 'Password1234!';
+        $password = 'Password_1234!';
 
         // Fill in the form and submit it
 
@@ -99,7 +99,7 @@ final class UserControllerTest extends WebTestCase
     {
         $client = $this->getClientAuthenticatedAsAdmin();
         $crawler = $client->request('GET', "/fr/admin/user/{$userId}/edit_password");
-        $newPassword = '1234Password!';
+        $newPassword = '1234_Password!';
 
         $form = $crawler->selectButton('Changer le mot de passe')->form([
             'chill_mainbundle_user_password[new_password][first]' => $newPassword,