diff --git a/src/Bot/Model/Entity/Channel/Channel.php b/src/Bot/Model/Entity/Channel/Channel.php
index 82c6f63..10d8c80 100644
--- a/src/Bot/Model/Entity/Channel/Channel.php
+++ b/src/Bot/Model/Entity/Channel/Channel.php
@@ -169,7 +169,7 @@ public function getDeactivatedAt(): ?DateTime
     /**
      * @param \DateTime $deactivatedAt
      */
-    public function setDeactivatedAt(DateTime $deactivatedAt)
+    public function setDeactivatedAt(?DateTime $deactivatedAt)
     {
         $this->deactivatedAt = $deactivatedAt;
     }
diff --git a/src/Bot/Model/Entity/Chat/ChatLastMessage.php b/src/Bot/Model/Entity/Chat/ChatLastMessage.php
index ea8eeeb..27356f9 100644
--- a/src/Bot/Model/Entity/Chat/ChatLastMessage.php
+++ b/src/Bot/Model/Entity/Chat/ChatLastMessage.php
@@ -35,7 +35,7 @@ class ChatLastMessage implements ModelInterface
     /**
      * @var \DateTime $time
      *
-     * @Type("DateTime<'Y-m-d\TH:i:sP'>")
+     * @Type("DateTime<'Y-m-d\TH:i:s\.u\Z', null, ['Y-m-d\TH:i:s\.u\Z', 'Y-m-d\TH:i:s\Z', 'Y-m-d\TH:i:sP']>")
      * @Accessor(getter="getTime",setter="setTime")
      * @SkipWhenEmpty()
      */