diff --git a/samples/ktor-all-platforms-app/gradle/libs.versions.toml b/samples/ktor-all-platforms-app/gradle/libs.versions.toml
index d0b765fdf..ef451a2f6 100644
--- a/samples/ktor-all-platforms-app/gradle/libs.versions.toml
+++ b/samples/ktor-all-platforms-app/gradle/libs.versions.toml
@@ -15,7 +15,7 @@ androidx-test-junit = "1.2.1"
 compose = "1.8.3"
 compose-plugin = "1.8.2"
 junit = "4.13.2"
-ktor = "3.1.3"
+ktor = "3.2.1"
 logback = "1.5.18"
 serialization = "1.8.1"
 coroutines = "1.10.2"
diff --git a/samples/ktor-android-app/app/build.gradle.kts b/samples/ktor-android-app/app/build.gradle.kts
index 69692fe18..90f32397e 100644
--- a/samples/ktor-android-app/app/build.gradle.kts
+++ b/samples/ktor-android-app/app/build.gradle.kts
@@ -1,3 +1,5 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
 /*
  * Copyright 2023-2024 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
  */
@@ -47,9 +49,6 @@ android {
         sourceCompatibility = JavaVersion.VERSION_17
         targetCompatibility = JavaVersion.VERSION_17
     }
-    kotlinOptions {
-        jvmTarget = "17"
-    }
     buildFeatures {
         compose = true
     }
@@ -63,6 +62,12 @@ android {
     }
 }
 
+kotlin {
+    compilerOptions {
+        jvmTarget = JvmTarget.JVM_17
+    }
+}
+
 dependencies {
     implementation(projects.common)
     testImplementation(libs.kotlinx.rpc.krpc.client)
diff --git a/samples/ktor-android-app/app/src/main/kotlin/kotlinx/rpc/sample/ui/MainActivity.kt b/samples/ktor-android-app/app/src/main/kotlin/kotlinx/rpc/sample/ui/MainActivity.kt
index e0756518c..c43408d1b 100644
--- a/samples/ktor-android-app/app/src/main/kotlin/kotlinx/rpc/sample/ui/MainActivity.kt
+++ b/samples/ktor-android-app/app/src/main/kotlin/kotlinx/rpc/sample/ui/MainActivity.kt
@@ -22,7 +22,6 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import kotlinx.rpc.sample.ui.state.WelcomeData
 import kotlinx.rpc.sample.ui.theme.KtorApplicationTheme
-
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 
diff --git a/samples/ktor-android-app/common/build.gradle.kts b/samples/ktor-android-app/common/build.gradle.kts
index ea6a79c30..3dc12d8c6 100644
--- a/samples/ktor-android-app/common/build.gradle.kts
+++ b/samples/ktor-android-app/common/build.gradle.kts
@@ -5,7 +5,6 @@
 plugins {
     alias(libs.plugins.kotlinJvm)
     alias(libs.plugins.kotlinPluginSerialization)
-    alias(libs.plugins.ktor)
     alias(libs.plugins.kotlinx.rpc)
 }
 
@@ -16,4 +15,4 @@ dependencies {
     implementation(libs.kotlinx.serialization.json)
     implementation(libs.kotlinx.rpc.krpc.ktor.server)
     implementation(libs.kotlinx.rpc.krpc.serialization.json)
-}
\ No newline at end of file
+}
diff --git a/samples/ktor-android-app/gradle/libs.versions.toml b/samples/ktor-android-app/gradle/libs.versions.toml
index 1d76e5a6e..469252019 100644
--- a/samples/ktor-android-app/gradle/libs.versions.toml
+++ b/samples/ktor-android-app/gradle/libs.versions.toml
@@ -11,7 +11,7 @@ compose-plugin = "1.5.14" # https://mvnrepository.com/artifact/androidx.compose.
 compose-bom = "2025.06.01"
 material3 = "1.3.2"
 junit = "4.13.2"
-ktor = "3.2.0"
+ktor = "3.2.1"
 kotlinx-serialization-json = "1.8.1"
 kotlinx-coroutines-core = "1.10.2"
 logback = "1.5.18"
diff --git a/samples/ktor-web-app/gradle/libs.versions.toml b/samples/ktor-web-app/gradle/libs.versions.toml
index 782dc9fdd..b3269be9e 100644
--- a/samples/ktor-web-app/gradle/libs.versions.toml
+++ b/samples/ktor-web-app/gradle/libs.versions.toml
@@ -1,7 +1,7 @@
 [versions]
 kotlin = "2.2.0"
 kotlin-wrappers-bom = "2025.6.11"
-ktor = "3.2.0"
+ktor = "3.2.1"
 kotlinx-serialization-json = "1.8.1"
 kotlinx-coroutines-core = "1.10.2"
 logback = "1.5.18"
diff --git a/samples/simple-ktor-app/build.gradle.kts b/samples/simple-ktor-app/build.gradle.kts
index b8c9987e2..fc8fa3192 100644
--- a/samples/simple-ktor-app/build.gradle.kts
+++ b/samples/simple-ktor-app/build.gradle.kts
@@ -5,7 +5,7 @@
 plugins {
     kotlin("jvm") version "2.2.0"
     kotlin("plugin.serialization") version "2.2.0"
-    id("io.ktor.plugin") version "3.2.0"
+    id("io.ktor.plugin") version "3.2.1"
     id("org.jetbrains.kotlinx.rpc.plugin") version "0.8.0"
 }
 
diff --git a/versions-root/libs.versions.toml b/versions-root/libs.versions.toml
index 0f7f580dd..ebda05bc6 100644
--- a/versions-root/libs.versions.toml
+++ b/versions-root/libs.versions.toml
@@ -9,7 +9,7 @@ kotlin-compiler = "0.0.0" # default to kotlin-lang or env.KOTLIN_COMPILER_VERSIO
 # kotlin independent versions
 detekt-analyzer = "1.23.6"
 coroutines = "1.10.2"
-ktor = "3.2.0"
+ktor = "3.2.1"
 kotlin-logging = "7.0.7"
 slf4j = "2.0.17"
 logback = "1.3.14"