diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index d73ef20c1e..f5a64a5191 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -19591,7 +19591,7 @@ parameters:
 			path: src/lib/Persistence/Utf8Converter.php
 
 		-
-			message: "#^Method Ibexa\\\\Core\\\\Persistence\\\\Utf8Converter\\:\\:toUnicodeCodepoint\\(\\) should return int but returns int\\<0, max\\>\\|false\\.$#"
+			message: "#^Method Ibexa\\\\Core\\\\Persistence\\\\Utf8Converter\\:\\:toUnicodeCodepoint\\(\\) should return int but returns int\\<0, 2147483647\\>\\|false\\.$#"
 			count: 1
 			path: src/lib/Persistence/Utf8Converter.php
 
diff --git a/src/lib/MVC/Symfony/Security/Authentication/AuthenticatorInterface.php b/src/lib/MVC/Symfony/Security/Authentication/AuthenticatorInterface.php
index 59b9324a0a..fb52589a3e 100644
--- a/src/lib/MVC/Symfony/Security/Authentication/AuthenticatorInterface.php
+++ b/src/lib/MVC/Symfony/Security/Authentication/AuthenticatorInterface.php
@@ -11,6 +11,8 @@
 /**
  * This interface is to be implemented by authenticator classes.
  * Authenticators are meant to be used to run authentication programmatically, i.e. outside the firewall context.
+ *
+ * @deprecated 4.6.7 this class is deprecated. Symfony Security has received major changes in 5.3, therefore Ibexa DXP relies on authenticator system from now on. Will be removed in 5.0.
  */
 interface AuthenticatorInterface
 {