diff --git a/HelloBot/src/main/kotlin/HelloBot.kt b/HelloBot/src/main/kotlin/HelloBot.kt
index 86c58ef..71c5778 100644
--- a/HelloBot/src/main/kotlin/HelloBot.kt
+++ b/HelloBot/src/main/kotlin/HelloBot.kt
@@ -32,16 +32,16 @@ suspend fun main(vararg args: String) {
             val chat = message.chat
 
             val answerText = when (val chat = message.chat) {
-                is ChannelChat -> {
+                is PreviewChannelChat -> {
                     val answer = "Hi everybody in this channel \"${chat.title}\""
                     reply(message, answer, MarkdownV2)
                     return@onMentionWithAnyContent
                 }
-                is PrivateChat -> {
+                is PreviewPrivateChat -> {
                     reply(message, "Hi, " + "${chat.firstName} ${chat.lastName}".textMentionMarkdownV2(chat.id), MarkdownV2)
                     return@onMentionWithAnyContent
                 }
-                is GroupChat -> {
+                is PreviewGroupChat -> {
                     message.ifFromChannelGroupContentMessage {
                         val answer = "Hi, ${it.senderChat.title}"
                         reply(message, answer, MarkdownV2)
@@ -56,9 +56,7 @@ suspend fun main(vararg args: String) {
                         } ?: chat.title
                     }
                 }
-                is UnknownExtendedChat,
                 is UnknownChatType -> "Unknown :(".escapeMarkdownV2Common()
-                else -> error("Something went wrong: unknown type of chat $chat")
             }
             reply(
                 message,
diff --git a/build.gradle b/build.gradle
index 7499d2f..47c7e6b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -23,6 +23,6 @@ allprojects {
             }
         }
 
-        maven { url "https://git.inmo.dev/api/packages/InsanusMokrassar/maven" }
+//        maven { url "https://git.inmo.dev/api/packages/InsanusMokrassar/maven" }
     }
 }
diff --git a/gradle.properties b/gradle.properties
index a3afba3..d4f5880 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,7 +5,7 @@ org.gradle.jvmargs=-Xmx2g
 
 
 kotlin_version=1.8.22
-telegram_bot_api_version=9.2.1
+telegram_bot_api_version=9.2.2
 micro_utils_version=0.19.9
 serialization_version=1.5.1
-ktor_version=2.3.3
+ktor_version=2.3.4