diff --git a/UPGRADE-3.4.md b/UPGRADE-3.4.md
index a06a8cd515..8bbaf85fb0 100644
--- a/UPGRADE-3.4.md
+++ b/UPGRADE-3.4.md
@@ -63,6 +63,13 @@ Debug
 
  * Support for stacked errors in the `ErrorHandler` is deprecated and will be removed in Symfony 4.0.
 
+DoctrineBridge
+--------------
+
+* Deprecated `Symfony\Bridge\Doctrine\HttpFoundation\DbalSessionHandler` and
+  `Symfony\Bridge\Doctrine\HttpFoundation\DbalSessionHandlerSchema`. Use
+  `Symfony\Component\HttpFoundation\Session\Storage\Handler\PdoSessionHandler` instead.
+
 EventDispatcher
 ---------------
 
diff --git a/UPGRADE-4.0.md b/UPGRADE-4.0.md
index 46fa72302e..daf14138b6 100644
--- a/UPGRADE-4.0.md
+++ b/UPGRADE-4.0.md
@@ -186,6 +186,13 @@ DependencyInjection
 
  * The `ExtensionCompilerPass` has been moved to before-optimization passes with priority -1000.
 
+DoctrineBridge
+--------------
+
+* The `Symfony\Bridge\Doctrine\HttpFoundation\DbalSessionHandler` and
+  `Symfony\Bridge\Doctrine\HttpFoundation\DbalSessionHandlerSchema` have been removed. Use
+  `Symfony\Component\HttpFoundation\Session\Storage\Handler\PdoSessionHandler` instead.
+
 EventDispatcher
 ---------------
 
diff --git a/src/Symfony/Bridge/Doctrine/CHANGELOG.md b/src/Symfony/Bridge/Doctrine/CHANGELOG.md
index 0258a36a99..378db70d14 100644
--- a/src/Symfony/Bridge/Doctrine/CHANGELOG.md
+++ b/src/Symfony/Bridge/Doctrine/CHANGELOG.md
@@ -6,6 +6,8 @@ CHANGELOG
 
  * added support for doctrine/dbal v2.6 types
  * added cause of UniqueEntity constraint violation
+ * deprecated `DbalSessionHandler` and `DbalSessionHandlerSchema` in favor of
+   `Symfony\Component\HttpFoundation\Session\Storage\Handler\PdoSessionHandler`
 
 3.1.0
 -----