diff --git a/src/Bundle/ChillActivityBundle/Validator/Constraints/ActivityValidity.php b/src/Bundle/ChillActivityBundle/Validator/Constraints/ActivityValidity.php
index bea38c768..ca85f2687 100644
--- a/src/Bundle/ChillActivityBundle/Validator/Constraints/ActivityValidity.php
+++ b/src/Bundle/ChillActivityBundle/Validator/Constraints/ActivityValidity.php
@@ -30,7 +30,7 @@ class ActivityValidity extends Constraint
 
     public $socialIssuesMessage = 'For this type of activity, you must add at least one social issue';
 
-    public function getTargets()
+    public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
     }
diff --git a/src/Bundle/ChillMainBundle/Doctrine/DQL/Unaccent.php b/src/Bundle/ChillMainBundle/Doctrine/DQL/Unaccent.php
index 12a745a0c..3e1086409 100644
--- a/src/Bundle/ChillMainBundle/Doctrine/DQL/Unaccent.php
+++ b/src/Bundle/ChillMainBundle/Doctrine/DQL/Unaccent.php
@@ -23,12 +23,12 @@ class Unaccent extends FunctionNode
 {
     private ?\Doctrine\ORM\Query\AST\Node $string = null;
 
-    public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)
+    public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker): string
     {
         return 'UNACCENT('.$this->string->dispatch($sqlWalker).')';
     }
 
-    public function parse(\Doctrine\ORM\Query\Parser $parser)
+    public function parse(\Doctrine\ORM\Query\Parser $parser): void
     {
         $parser->match(\Doctrine\ORM\Query\TokenType::T_IDENTIFIER);
         $parser->match(\Doctrine\ORM\Query\TokenType::T_OPEN_PARENTHESIS);
diff --git a/src/Bundle/ChillPersonBundle/AccompanyingPeriod/Events/UserRefEventSubscriber.php b/src/Bundle/ChillPersonBundle/AccompanyingPeriod/Events/UserRefEventSubscriber.php
index 084fe8ff5..de1eac37d 100644
--- a/src/Bundle/ChillPersonBundle/AccompanyingPeriod/Events/UserRefEventSubscriber.php
+++ b/src/Bundle/ChillPersonBundle/AccompanyingPeriod/Events/UserRefEventSubscriber.php
@@ -25,7 +25,7 @@ class UserRefEventSubscriber implements EventSubscriberInterface
 {
     public function __construct(private readonly Security $security, private readonly TranslatorInterface $translator, private readonly \Twig\Environment $engine, private readonly NotificationPersisterInterface $notificationPersister) {}
 
-    public static function getSubscribedEvents()
+    public static function getSubscribedEvents(): array
     {
         return [
             'workflow.accompanying_period_lifecycle.entered' => [
diff --git a/src/Bundle/ChillPersonBundle/Security/Authorization/AccompanyingPeriodVoter.php b/src/Bundle/ChillPersonBundle/Security/Authorization/AccompanyingPeriodVoter.php
index 4e609a620..3db5ac709 100644
--- a/src/Bundle/ChillPersonBundle/Security/Authorization/AccompanyingPeriodVoter.php
+++ b/src/Bundle/ChillPersonBundle/Security/Authorization/AccompanyingPeriodVoter.php
@@ -147,7 +147,7 @@ class AccompanyingPeriodVoter extends AbstractChillVoter implements ProvideRoleH
         return [];
     }
 
-    protected function supports($attribute, $subject)
+    protected function supports($attribute, $subject): bool
     {
         return $this->voterHelper->supports($attribute, $subject);
     }
diff --git a/src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/AccompanyingPeriodValidity.php b/src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/AccompanyingPeriodValidity.php
index 82a2d1d40..306889547 100644
--- a/src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/AccompanyingPeriodValidity.php
+++ b/src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/AccompanyingPeriodValidity.php
@@ -18,7 +18,7 @@ class AccompanyingPeriodValidity extends Constraint
 {
     public $messageSocialIssueCannotBeDeleted = 'The social %name% issue cannot be deleted because it is associated with an activity or an action';
 
-    public function getTargets()
+    public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
     }
diff --git a/src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/ConfidentialCourseMustHaveReferrer.php b/src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/ConfidentialCourseMustHaveReferrer.php
index 97e5be385..d450717fd 100644
--- a/src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/ConfidentialCourseMustHaveReferrer.php
+++ b/src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/ConfidentialCourseMustHaveReferrer.php
@@ -18,7 +18,7 @@ class ConfidentialCourseMustHaveReferrer extends Constraint
 {
     public string $message = 'A confidential parcours must have a referrer';
 
-    public function getTargets()
+    public function getTargets(): array
     {
         return [self::CLASS_CONSTRAINT];
     }
diff --git a/src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/LocationValidity.php b/src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/LocationValidity.php
index 8e832da6e..74e5dafcd 100644
--- a/src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/LocationValidity.php
+++ b/src/Bundle/ChillPersonBundle/Validator/Constraints/AccompanyingPeriod/LocationValidity.php
@@ -20,7 +20,7 @@ class LocationValidity extends Constraint
 
     public $messagePersonLocatedMustBeAssociated = "The person where the course is located must be associated to the course. Change course's location before removing the person.";
 
-    public function getTargets()
+    public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
     }
diff --git a/src/Bundle/ChillPersonBundle/Validator/Constraints/Household/MaxHolder.php b/src/Bundle/ChillPersonBundle/Validator/Constraints/Household/MaxHolder.php
index 5f45f69ac..b30a389c8 100644
--- a/src/Bundle/ChillPersonBundle/Validator/Constraints/Household/MaxHolder.php
+++ b/src/Bundle/ChillPersonBundle/Validator/Constraints/Household/MaxHolder.php
@@ -20,7 +20,7 @@ class MaxHolder extends Constraint
 
     public $messageInfinity = 'household.max_holder_overflowed_infinity';
 
-    public function getTargets()
+    public function getTargets(): string
     {
         return self::CLASS_CONSTRAINT;
     }