diff --git a/UPGRADE-4.4.md b/UPGRADE-4.4.md
index 939139b15e..e9cee836e7 100644
--- a/UPGRADE-4.4.md
+++ b/UPGRADE-4.4.md
@@ -25,8 +25,13 @@ DependencyInjection
        factory: ['@factory_service', method]
    ```
 
+MonologBridge
+--------------
+
+* The `RouteProcessor` has been marked final.
+
 TwigBridge
 ----------
 
  * Deprecated to pass `$rootDir` and `$fileLinkFormatter` as 5th and 6th argument respectively to the 
-   `DebugCommand::__construct()` method, swap the variables position.
+   `DebugCommand::__construct()` method, swap the variables position.
\ No newline at end of file
diff --git a/UPGRADE-5.0.md b/UPGRADE-5.0.md
index 9ca6b3353b..49ccf3aa0b 100644
--- a/UPGRADE-5.0.md
+++ b/UPGRADE-5.0.md
@@ -275,6 +275,11 @@ Monolog
 
  * The methods `DebugProcessor::getLogs()`, `DebugProcessor::countErrors()`, `Logger::getLogs()` and `Logger::countErrors()` have a new `$request` argument.
 
+MonologBridge
+--------------
+
+* The `RouteProcessor` class is final.
+
 Process
 -------
 
diff --git a/src/Symfony/Bridge/Monolog/CHANGELOG.md b/src/Symfony/Bridge/Monolog/CHANGELOG.md
index 8b519c9f31..20f0dc788b 100644
--- a/src/Symfony/Bridge/Monolog/CHANGELOG.md
+++ b/src/Symfony/Bridge/Monolog/CHANGELOG.md
@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+4.4.0
+-----
+
+* The `RouteProcessor` class has been made final
+
 4.3.0
 -----
 
diff --git a/src/Symfony/Bridge/Monolog/Processor/RouteProcessor.php b/src/Symfony/Bridge/Monolog/Processor/RouteProcessor.php
index 0160754ad9..09507b55e7 100644
--- a/src/Symfony/Bridge/Monolog/Processor/RouteProcessor.php
+++ b/src/Symfony/Bridge/Monolog/Processor/RouteProcessor.php
@@ -21,6 +21,8 @@ use Symfony\Contracts\Service\ResetInterface;
  * Adds the current route information to the log entry.
  *
  * @author Piotr Stankowski <git@trakos.pl>
+ *
+ * @final since Symfony 4.4
  */
 class RouteProcessor implements EventSubscriberInterface, ResetInterface
 {