diff --git a/src/Symfony/Bridge/PhpUnit/DeprecationErrorHandler/Deprecation.php b/src/Symfony/Bridge/PhpUnit/DeprecationErrorHandler/Deprecation.php
index 17e9510614..ba9e753c7b 100644
--- a/src/Symfony/Bridge/PhpUnit/DeprecationErrorHandler/Deprecation.php
+++ b/src/Symfony/Bridge/PhpUnit/DeprecationErrorHandler/Deprecation.php
@@ -133,7 +133,10 @@ class Deprecation
         return $this->originMethod;
     }
 
-    public function getMessage(): string
+    /**
+     * @return string
+     */
+    public function getMessage()
     {
         return $this->message;
     }