diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6da212ca8a..d3ee49eeb6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # TelegramBotAPI changelog
 
+## 0.29.1
+
+* `Common`:
+    * Version updates:
+        * `Serialization`: `1.0.0-RC2` -> `1.0.0`
+
 ## 0.29.0
 
 * **THIS VERSION CONTAINS BREAKING CHANGES**
diff --git a/gradle.properties b/gradle.properties
index a67fbb591e..a07f5a51b1 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -7,7 +7,7 @@ kotlin.incremental.js=true
 
 kotlin_version=1.4.10
 kotlin_coroutines_version=1.3.9
-kotlin_serialisation_runtime_version=1.0.0-RC2
+kotlin_serialisation_runtime_version=1.0.0
 klock_version=1.12.1
 uuid_version=0.2.2
 ktor_version=1.4.1
@@ -15,7 +15,7 @@ ktor_version=1.4.1
 javax_activation_version=1.1.1
 
 library_group=dev.inmo
-library_version=0.29.0
+library_version=0.29.1
 
 gradle_bintray_plugin_version=1.8.5
 github_release_plugin_version=2.2.12
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/ChatMember/abstracts/ChatMember.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/ChatMember/abstracts/ChatMember.kt
index eba29e056f..b0d0a88171 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/ChatMember/abstracts/ChatMember.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/ChatMember/abstracts/ChatMember.kt
@@ -23,5 +23,4 @@ internal object ChatMemberDeserializationStrategy : DeserializationStrategy<Chat
     override val descriptor: SerialDescriptor = RawChatMember.serializer().descriptor
 
     override fun deserialize(decoder: Decoder): ChatMember = RawChatMember.serializer().deserialize(decoder).asChatMember
-    override fun patch(decoder: Decoder, old: ChatMember): ChatMember = error("ChatMember can't be patched")
 }
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/abstracts/Message.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/abstracts/Message.kt
index 43e1ac623d..2d45b0dba1 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/abstracts/Message.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/abstracts/Message.kt
@@ -26,8 +26,6 @@ internal class TelegramBotAPIMessageDeserializationStrategyClass<T> : Deserializ
     @InternalSerializationApi
     override val descriptor: SerialDescriptor = buildSerialDescriptor("TelegramBotAPIMessageSerializer", PolymorphicKind.OPEN)
 
-    override fun patch(decoder: Decoder, old: T): T = error("TelegramBotAPIMessageSerializer")
-
     @Suppress("UNCHECKED_CAST")
     override fun deserialize(decoder: Decoder): T {
         return RawMessage.serializer().deserialize(decoder).asMessage as T
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/abstracts/Update.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/abstracts/Update.kt
index 06853ce529..0ea6f4c49f 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/abstracts/Update.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/abstracts/Update.kt
@@ -47,6 +47,4 @@ object UpdateDeserializationStrategy : DeserializationStrategy<Update> {
             asJson
         )
     }
-
-    override fun patch(decoder: Decoder, old: Update): Update = error("Unsupported operation")
 }