diff --git a/src/EventListener/BlameListener.php b/src/EventListener/BlameListener.php
index 62bd2b53..3521ded2 100644
--- a/src/EventListener/BlameListener.php
+++ b/src/EventListener/BlameListener.php
@@ -48,7 +48,10 @@ public function onKernelRequest(RequestEvent $event): void
         }
     }
 
-    public static function getSubscribedEvents()
+    /**
+     * @return array<string, string>
+     */
+    public static function getSubscribedEvents(): array
     {
         return array(
             KernelEvents::REQUEST => 'onKernelRequest',
diff --git a/src/EventListener/IpTraceListener.php b/src/EventListener/IpTraceListener.php
index 857c1b41..dc41444e 100644
--- a/src/EventListener/IpTraceListener.php
+++ b/src/EventListener/IpTraceListener.php
@@ -33,6 +33,9 @@ public function onKernelRequest(RequestEvent $event): void
         }
     }
 
+    /**
+     * @return array<string, array<int, int|string>>
+     */
     public static function getSubscribedEvents(): array
     {
         return array(
diff --git a/src/EventListener/LocaleListener.php b/src/EventListener/LocaleListener.php
index 7d12bfb8..ae72beb0 100644
--- a/src/EventListener/LocaleListener.php
+++ b/src/EventListener/LocaleListener.php
@@ -29,7 +29,10 @@ public function onKernelRequest(RequestEvent $event): void
         $this->translatableListener->setTranslatableLocale($event->getRequest()->getLocale());
     }
 
-    public static function getSubscribedEvents()
+    /**
+     * @return array<string, string>
+     */
+    public static function getSubscribedEvents(): array
     {
         return array(
             KernelEvents::REQUEST => 'onKernelRequest',
diff --git a/src/EventListener/LoggerListener.php b/src/EventListener/LoggerListener.php
index 72576cd5..66146698 100644
--- a/src/EventListener/LoggerListener.php
+++ b/src/EventListener/LoggerListener.php
@@ -55,7 +55,10 @@ public function onKernelRequest(RequestEvent $event): void
         }
     }
 
-    public static function getSubscribedEvents()
+    /**
+     * @return array<string, string>
+     */
+    public static function getSubscribedEvents(): array
     {
         return array(
             KernelEvents::REQUEST => 'onKernelRequest',