diff --git a/CHANGELOG.md b/CHANGELOG.md
index f7e3a7e505..7fc62c8f6d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## 4.1.3
 
+* `Core`:
+    * `ContentMessage`, `CommonMessage`, `PossiblyMediaGroupMessage` and `PossiblySentViaBotCommonMessage` got `out`
+      variance
+
 ## 4.1.2
 
 * `Versions`:
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/abstracts/PossiblySentViaBotCommonMessage.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/abstracts/PossiblySentViaBotCommonMessage.kt
index 5b7574457d..18613df71f 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/abstracts/PossiblySentViaBotCommonMessage.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/abstracts/PossiblySentViaBotCommonMessage.kt
@@ -2,4 +2,4 @@ package dev.inmo.tgbotapi.types.message.abstracts
 
 import dev.inmo.tgbotapi.types.message.content.MessageContent
 
-sealed interface PossiblySentViaBotCommonMessage<T: MessageContent> : CommonMessage<T>, PossiblySentViaBot
+sealed interface PossiblySentViaBotCommonMessage<out T: MessageContent> : CommonMessage<T>, PossiblySentViaBot