diff --git a/CHANGELOG.md b/CHANGELOG.md
index fc586669fd..7b6b2607cf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,8 @@ _This update brings experimental support of `linuxX64` and `mingwX64` platforms_
 
 * `Versions`:
     * `Kotlin`: `1.8.10` -> `1.8.20`
-    * `MicroUtils`: `0.17.5` -> `0.17.6`
+    * `MicroUtils`: `0.17.5` -> `0.17.8`
+    * `Ktor`: `2.2.4` -> `2.3.0`
 * `Core`:
     * New `RequestsExecutor` - `MultipleClientKtorRequestsExecutor`
     * Old `KtorRequestsExecutor` has been renamed to `DefaultKtorRequestsExecutor`
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 1ebdc9f9e9..57ca01ab0d 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 = "0.7.0"
-ktor = "2.2.4"
+ktor = "2.3.0"
 
 ksp = "1.8.20-1.0.11"
 kotlin-poet = "1.13.0"
 
-microutils = "0.17.6"
+microutils = "0.17.8"
 
 github-release-plugin = "2.4.1"
 dokka = "1.8.10"
diff --git a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext.kt b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext.kt
index 252898c592..69f299add4 100644
--- a/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext.kt
+++ b/tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/BehaviourContext.kt
@@ -76,9 +76,12 @@ class DefaultBehaviourContext(
             (it + upstreamUpdatesFlow).filter {
                 val passed = handledUpdates.add(it.updateId)
                 (passed).also { passed ->
-                    handledUpdates.removeAll(
-                        handledUpdates.take(handledUpdates.size - broadcastChannelsSize).ifEmpty { return@also }
-                    )
+                    val needToDropCount = handledUpdates.size - broadcastChannelsSize
+                    if (needToDropCount > 0) {
+                        handledUpdates.removeAll(
+                            handledUpdates.take(needToDropCount).ifEmpty { return@also }
+                        )
+                    }
                 }
             }
         } else {