diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4fb8ddf338..1f249287e8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # TelegramBotAPI changelog
 
+## 5.0.1
+
+* `Versions`:
+  * `MicroUtils`: `0.16.4` -> `0.16.6`
+  * `Ktor`: `2.2.1` -> `2.2.2`
+* `Core`:
+    * Fixes in `SendMediaGroup` request
+    * Fixes in `SetChatAdministratorCustomTitle` request (thanks to [@madhead](https://github.com/madhead))
+
 ## 5.0.0
 
 [Bot API 6.4](https://core.telegram.org/bots/api-changelog#december-30-2022) support!
diff --git a/gradle.properties b/gradle.properties
index e4b457c7fb..6b365d17b3 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -6,4 +6,4 @@ kotlin.incremental=true
 kotlin.incremental.js=true
 
 library_group=dev.inmo
-library_version=5.0.0
+library_version=5.0.1
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 2e7f91af54..085f20bd54 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -8,12 +8,12 @@ javax-activation = "1.1.1"
 
 korlibs = "3.4.0"
 uuid = "0.6.0"
-ktor = "2.2.1"
+ktor = "2.2.2"
 
 ksp = "1.7.22-1.0.8"
 kotlin-poet = "1.12.0"
 
-microutils = "0.16.4"
+microutils = "0.16.6"
 
 github-release-plugin = "2.4.1"
 dokka = "1.7.20"
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/chat/members/SetChatAdministratorCustomTitle.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/chat/members/SetChatAdministratorCustomTitle.kt
index 1adafd2c34..9cfcfd2208 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/chat/members/SetChatAdministratorCustomTitle.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/chat/members/SetChatAdministratorCustomTitle.kt
@@ -18,7 +18,7 @@ data class SetChatAdministratorCustomTitle(
     override val resultDeserializer: DeserializationStrategy<Boolean>
         get() = Boolean.serializer()
     override val requestSerializer: SerializationStrategy<*>
-        get() = RestrictChatMember.serializer()
+        get() = serializer()
 
     init {
         if (customTitle.length !in customTitleLength) {
diff --git a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/send/media/SendMediaGroup.kt b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/send/media/SendMediaGroup.kt
index 506e7934fd..afb914b770 100644
--- a/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/send/media/SendMediaGroup.kt
+++ b/tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/requests/send/media/SendMediaGroup.kt
@@ -37,7 +37,7 @@ fun <T : MediaGroupPartContent> SendMediaGroup(
     protectContent: Boolean = false,
     replyToMessageId: MessageId? = null,
     allowSendingWithoutReply: Boolean? = null
-): Request<PossiblySentViaBotCommonMessage<T>> {
+): Request<PossiblySentViaBotCommonMessage<MediaGroupContent<T>>> {
     if (media.size !in mediaCountInMediaGroup) {
         throwRangeError("Count of members in media group", mediaCountInMediaGroup, media.size)
     }
@@ -70,7 +70,7 @@ fun <T : MediaGroupPartContent> SendMediaGroup(
             data,
             SendMediaGroupFiles(files)
         )
-    }) as Request<PossiblySentViaBotCommonMessage<T>>
+    }) as Request<PossiblySentViaBotCommonMessage<MediaGroupContent<T>>>
 }
 
 /**