diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0b62e8b97a..1732a4dada 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -32,6 +32,7 @@ bot.
 
 ### 0.21.1
 
+* **`KtorCallFactory` must return `HttpStatement` instead of `HttpClientCall`**
 * `SendMessage` was renamed to `SendTextMessage` and previous `SendMessage` is deprecated
 * Most part of requests have changed return type. They are listed below:
     <details>
@@ -80,6 +81,8 @@ bot.
     * `StickerContent`
     
     </details>
+* Version updates:
+    * Ktor `1.2.6` -> `1.3.0`
 
 ## 0.20.0 MPP Migration
 
diff --git a/gradle.properties b/gradle.properties
index 6291c88e99..dcebaeb8c3 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -4,7 +4,7 @@ kotlin_coroutines_version=1.3.3
 kotlin_serialisation_runtime_version=0.14.0
 klock_version=1.8.6
 uuid_version=0.0.7
-ktor_version=1.2.6
+ktor_version=1.3.0
 
 gradle_bintray_plugin_version=1.8.4
 
diff --git a/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/KtorCallFactory.kt b/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/KtorCallFactory.kt
index e2aa6cfaeb..a4dda435ff 100644
--- a/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/KtorCallFactory.kt
+++ b/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/KtorCallFactory.kt
@@ -3,11 +3,12 @@ package com.github.insanusmokrassar.TelegramBotAPI.bot.Ktor
 import com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts.Request
 import io.ktor.client.HttpClient
 import io.ktor.client.call.HttpClientCall
+import io.ktor.client.statement.HttpStatement
 
 interface KtorCallFactory {
     suspend fun <T: Any> prepareCall(
         client: HttpClient,
         baseUrl: String,
         request: Request<T>
-    ) : HttpClientCall?
+    ) : HttpStatement?
 }
diff --git a/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/KtorRequestsExecutor.kt b/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/KtorRequestsExecutor.kt
index c75eb8bf95..ee184dcf90 100644
--- a/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/KtorRequestsExecutor.kt
+++ b/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/KtorRequestsExecutor.kt
@@ -11,10 +11,10 @@ import com.github.insanusmokrassar.TelegramBotAPI.types.Response
 import com.github.insanusmokrassar.TelegramBotAPI.types.RetryAfterError
 import com.github.insanusmokrassar.TelegramBotAPI.utils.TelegramAPIUrlsKeeper
 import io.ktor.client.HttpClient
-import io.ktor.client.call.HttpClientCall
 import io.ktor.client.call.receive
 import io.ktor.client.features.ClientRequestException
-import io.ktor.client.response.readText
+import io.ktor.client.statement.HttpStatement
+import io.ktor.client.statement.readText
 import kotlinx.coroutines.delay
 import kotlinx.serialization.json.Json
 
@@ -36,22 +36,20 @@ class KtorRequestsExecutor(
 
     override suspend fun <T : Any> execute(request: Request<T>): T {
         return requestsLimiter.limit {
-            var call: HttpClientCall? = null
+            var statement: HttpStatement? = null
             for (factory in callsFactories) {
-                call = factory.prepareCall(
+                statement = factory.prepareCall(
                     client,
                     telegramAPIUrlsKeeper.commonAPIUrl,
                     request
                 )
-                if (call != null) {
+                if (statement != null) {
                     break
                 }
             }
-            if (call == null) {
-                throw IllegalArgumentException("Can't execute request: $request")
-            }
             try {
-                val content = call.response.receive<String>()
+                val response = statement ?.execute() ?: throw IllegalArgumentException("Can't execute request: $request")
+                val content = response.receive<String>()
                 val responseObject = jsonFormatter.parse(Response.serializer(), content)
 
                 (responseObject.result?.let {
@@ -64,7 +62,7 @@ class KtorRequestsExecutor(
                     } else {
                         null
                     }
-                } ?: call.let {
+                } ?: response.let {
                     throw newRequestException(
                         responseObject,
                         content,
diff --git a/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/base/AbstractRequestCallFactory.kt b/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/base/AbstractRequestCallFactory.kt
index 4e8fb1f428..ff3a6b0661 100644
--- a/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/base/AbstractRequestCallFactory.kt
+++ b/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/base/AbstractRequestCallFactory.kt
@@ -4,9 +4,8 @@ import com.github.insanusmokrassar.TelegramBotAPI.bot.Ktor.KtorCallFactory
 import com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts.Request
 import io.ktor.client.HttpClient
 import io.ktor.client.call.HttpClientCall
-import io.ktor.client.call.call
-import io.ktor.client.request.accept
-import io.ktor.client.request.url
+import io.ktor.client.request.*
+import io.ktor.client.statement.HttpStatement
 import io.ktor.http.ContentType
 import io.ktor.http.HttpMethod
 import kotlin.collections.set
@@ -17,20 +16,23 @@ abstract class AbstractRequestCallFactory : KtorCallFactory {
         client: HttpClient,
         baseUrl: String,
         request: Request<T>
-    ): HttpClientCall? {
+    ): HttpStatement? {
         val preparedBody = prepareCallBody(client, baseUrl, request) ?: return null
 
-        return client.call {
-            url(
-                methodsCache[request.method()] ?: "$baseUrl/${request.method()}".also {
-                    methodsCache[request.method()] = it
-                }
-            )
-            method = HttpMethod.Post
-            accept(ContentType.Application.Json)
+        return HttpStatement(
+            HttpRequestBuilder().apply {
+                url(
+                    methodsCache[request.method()] ?: "$baseUrl/${request.method()}".also {
+                        methodsCache[request.method()] = it
+                    }
+                )
+                method = HttpMethod.Post
+                accept(ContentType.Application.Json)
 
-            body = preparedBody
-        }
+                body = preparedBody
+            },
+            client
+        )
     }
 
     protected abstract fun <T : Any> prepareCallBody(
diff --git a/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/RequestsExecutor.kt b/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/RequestsExecutor.kt
index 862cf0d754..285793254b 100644
--- a/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/RequestsExecutor.kt
+++ b/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/RequestsExecutor.kt
@@ -1,7 +1,7 @@
 package com.github.insanusmokrassar.TelegramBotAPI.bot
 
 import com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts.Request
-import kotlinx.io.core.Closeable
+import io.ktor.utils.io.core.Closeable
 
 interface RequestsExecutor : Closeable {
     /**
diff --git a/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/UpdatesPoller.kt b/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/UpdatesPoller.kt
index e7e78cb867..cf53676cb2 100644
--- a/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/UpdatesPoller.kt
+++ b/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/UpdatesPoller.kt
@@ -1,8 +1,8 @@
 package com.github.insanusmokrassar.TelegramBotAPI.bot
 
+import io.ktor.utils.io.core.Closeable
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
-import kotlinx.io.core.Closeable
 
 interface UpdatesPoller : Closeable {
     fun start(scope: CoroutineScope = CoroutineScope(Dispatchers.Default))
diff --git a/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/exceptions/RequestException.kt b/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/exceptions/RequestException.kt
index e44d24356e..4ec766ec53 100644
--- a/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/exceptions/RequestException.kt
+++ b/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/exceptions/RequestException.kt
@@ -1,7 +1,7 @@
 package com.github.insanusmokrassar.TelegramBotAPI.bot.exceptions
 
 import com.github.insanusmokrassar.TelegramBotAPI.types.Response
-import kotlinx.io.errors.IOException
+import kotlinx.io.IOException
 
 fun newRequestException(
     response: Response,
@@ -22,10 +22,9 @@ sealed class RequestException constructor(
     val response: Response,
     val plainAnswer: String,
     message: String? = null,
-    cause: Throwable? = null
+    override val cause: Throwable? = null
 ) : IOException(
-    message ?: "Something went wrong",
-    cause
+    message ?: "Something went wrong"
 )
 
 class CommonRequestException(response: Response, plainAnswer: String, message: String?, cause: Throwable?) :
diff --git a/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/utils/StorageFile.kt b/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/utils/StorageFile.kt
index eacc026511..c9fcf6700f 100644
--- a/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/utils/StorageFile.kt
+++ b/src/commonMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/utils/StorageFile.kt
@@ -1,6 +1,6 @@
 package com.github.insanusmokrassar.TelegramBotAPI.utils
 
-import kotlinx.io.core.Input
+import io.ktor.utils.io.core.Input
 import kotlinx.serialization.Serializable
 
 @Serializable
diff --git a/src/jsMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/utils/StorageFile.kt b/src/jsMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/utils/StorageFile.kt
index 8f236a770f..17bc529db9 100644
--- a/src/jsMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/utils/StorageFile.kt
+++ b/src/jsMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/utils/StorageFile.kt
@@ -1,7 +1,7 @@
 package com.github.insanusmokrassar.TelegramBotAPI.utils
 
 import com.benasher44.uuid.uuid4
-import kotlinx.io.core.Input
+import io.ktor.utils.io.core.Input
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.Transient
 
diff --git a/src/jvmMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/utils/StorageFile.kt b/src/jvmMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/utils/StorageFile.kt
index 03ea499383..878b534f0c 100644
--- a/src/jvmMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/utils/StorageFile.kt
+++ b/src/jvmMain/kotlin/com/github/insanusmokrassar/TelegramBotAPI/utils/StorageFile.kt
@@ -1,8 +1,8 @@
 package com.github.insanusmokrassar.TelegramBotAPI.utils
 
 import com.benasher44.uuid.uuid4
-import kotlinx.io.core.Input
-import kotlinx.io.streams.asInput
+import io.ktor.utils.io.core.Input
+import io.ktor.utils.io.streams.asInput
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.Transient
 import java.io.File