diff --git a/build.gradle.kts b/build.gradle.kts
index ed3e56d..006e1bc 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -7,7 +7,7 @@ plugins {
 }
 
 group = "scientifik"
-version = "0.2.0"
+version = "0.2.1"
 
 repositories {
     gradlePluginPortal()
diff --git a/src/main/kotlin/scientifik/ScientifikExtension.kt b/src/main/kotlin/scientifik/ScientifikExtension.kt
index 8f079af..975618e 100644
--- a/src/main/kotlin/scientifik/ScientifikExtension.kt
+++ b/src/main/kotlin/scientifik/ScientifikExtension.kt
@@ -1,15 +1,49 @@
 package scientifik
 
+import Scientifik
 import org.gradle.api.Project
 import org.gradle.kotlin.dsl.apply
 import org.gradle.kotlin.dsl.create
 import org.gradle.kotlin.dsl.findByType
+import org.gradle.kotlin.dsl.get
+import org.jetbrains.kotlin.gradle.dsl.KotlinJsProjectExtension
+import org.jetbrains.kotlin.gradle.dsl.KotlinJvmProjectExtension
+import org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension
+
+private fun Project.applyMPPDependency(vararg pairs: Pair<String, String>) {
+    val map = mapOf(*pairs)
+    extensions.findByType<KotlinMultiplatformExtension>()?.apply {
+        pairs.forEach{(target,depString)->
+            sourceSets[target].apply {
+                dependencies {
+                    api(depString)
+                }
+            }
+
+        }
+    }
+    extensions.findByType<KotlinJvmProjectExtension>()?.apply {
+        sourceSets["main"].apply {
+            dependencies {
+                api(map["jvmMain"] ?: error("jvmMain dependency not found"))
+            }
+        }
+    }
+
+    extensions.findByType<KotlinJsProjectExtension>()?.apply {
+        sourceSets["main"].apply {
+            dependencies {
+                api(map["jsMain"] ?: error("jsMain dependency not found"))
+            }
+        }
+    }
+}
 
 open class ScientifikExtension {
     fun Project.withDokka() {
         apply(plugin = "org.jetbrains.dokka")
         subprojects {
-            this.scientifik.apply{
+            scientifik.apply {
                 withDokka()
             }
         }
@@ -17,27 +51,31 @@ open class ScientifikExtension {
 
     fun Project.withSerialization() {
         apply(plugin = "kotlinx-serialization")
-        serialization = true
+        applyMPPDependency(
+            "commonMain" to "org.jetbrains.kotlinx:kotlinx-serialization-runtime-common:${Scientifik.serializationVersion}",
+            "jvmMain" to "org.jetbrains.kotlinx:kotlinx-serialization-runtime:${Scientifik.serializationVersion}",
+            "jsMain" to "org.jetbrains.kotlinx:kotlinx-serialization-runtime-js:${Scientifik.serializationVersion}"
+        )
         //recursively apply to all subprojecs
-        subprojects{
-            this.scientifik.apply{
+        subprojects {
+            scientifik.apply {
                 withSerialization()
             }
         }
     }
 
-    var serialization = false
-        private set
-
-    fun Project.withIO(){
-        io = true
-        subprojects{
-            withIO()
+    fun Project.withIO() {
+        applyMPPDependency(
+            "commonMain" to "org.jetbrains.kotlinx:kotlinx-io:${Scientifik.ioVersion}",
+            "jvmMain" to "org.jetbrains.kotlinx:kotlinx-io-jvm:${Scientifik.ioVersion}",
+            "jsMain" to "org.jetbrains.kotlinx:kotlinx-io-js:${Scientifik.ioVersion}"
+        )
+        subprojects {
+            scientifik.apply {
+                withIO()
+            }
         }
     }
-
-    var io = false
-        private set
 }
 
 internal val Project.scientifik: ScientifikExtension
diff --git a/src/main/kotlin/scientifik/ScientifikJSPlugin.kt b/src/main/kotlin/scientifik/ScientifikJSPlugin.kt
index 9057683..f746979 100644
--- a/src/main/kotlin/scientifik/ScientifikJSPlugin.kt
+++ b/src/main/kotlin/scientifik/ScientifikJSPlugin.kt
@@ -1,6 +1,5 @@
 package scientifik
 
-import Scientifik
 import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.gradle.api.tasks.Copy
@@ -30,14 +29,6 @@ open class ScientifikJSPlugin : Plugin<Project> {
 
                     dependencies {
                         api(kotlin("stdlib-js"))
-                        afterEvaluate {
-                            if (extension.serialization) {
-                                implementation("org.jetbrains.kotlinx:kotlinx-serialization-runtime:${Scientifik.serializationVersion}")
-                            }
-                            if (extension.io) {
-                                api("org.jetbrains.kotlinx:kotlinx-io-js:${Scientifik.ioVersion}")
-                            }
-                        }
                     }
                 }
             }
diff --git a/src/main/kotlin/scientifik/ScientifikJVMPlugin.kt b/src/main/kotlin/scientifik/ScientifikJVMPlugin.kt
index 861f2c9..851061e 100644
--- a/src/main/kotlin/scientifik/ScientifikJVMPlugin.kt
+++ b/src/main/kotlin/scientifik/ScientifikJVMPlugin.kt
@@ -1,6 +1,5 @@
 package scientifik
 
-import Scientifik
 import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.gradle.api.plugins.JavaBasePlugin
@@ -31,17 +30,8 @@ open class ScientifikJVMPlugin : Plugin<Project> {
             configure<KotlinJvmProjectExtension> {
                 val sourceSet = sourceSets["main"].apply {
                     languageSettings.applySettings()
-
                     dependencies {
                         api(kotlin("stdlib-jdk8"))
-                        afterEvaluate {
-                            if (extension.serialization) {
-                                implementation("org.jetbrains.kotlinx:kotlinx-serialization-runtime:${Scientifik.serializationVersion}")
-                            }
-                            if (extension.io) {
-                                api("org.jetbrains.kotlinx:kotlinx-io-jvm:${Scientifik.ioVersion}")
-                            }
-                        }
                     }
                 }
 
diff --git a/src/main/kotlin/scientifik/ScientifikMPPlugin.kt b/src/main/kotlin/scientifik/ScientifikMPPlugin.kt
index 8d03da9..ffacd6e 100644
--- a/src/main/kotlin/scientifik/ScientifikMPPlugin.kt
+++ b/src/main/kotlin/scientifik/ScientifikMPPlugin.kt
@@ -1,6 +1,5 @@
 package scientifik
 
-import Scientifik
 import org.gradle.api.Plugin
 import org.gradle.api.Project
 import org.gradle.api.plugins.JavaBasePlugin
@@ -42,14 +41,6 @@ open class ScientifikMPPlugin : Plugin<Project> {
                     val commonMain by getting {
                         dependencies {
                             api(kotlin("stdlib"))
-                            project.afterEvaluate {
-                                if (extension.serialization) {
-                                    implementation("org.jetbrains.kotlinx:kotlinx-serialization-runtime-common:${Scientifik.serializationVersion}")
-                                }
-                                if (extension.io) {
-                                    api("org.jetbrains.kotlinx:kotlinx-io:${Scientifik.ioVersion}")
-                                }
-                            }
                         }
                     }
                     val commonTest by getting {
@@ -61,15 +52,6 @@ open class ScientifikMPPlugin : Plugin<Project> {
                     val jvmMain by getting {
                         dependencies {
                             api(kotlin("stdlib-jdk8"))
-                            project.afterEvaluate {
-                                if (extension.serialization) {
-                                    implementation("org.jetbrains.kotlinx:kotlinx-serialization-runtime:${Scientifik.serializationVersion}")
-                                }
-
-                                if (extension.io) {
-                                    api("org.jetbrains.kotlinx:kotlinx-io-jvm:${Scientifik.ioVersion}")
-                                }
-                            }
                         }
                     }
                     val jvmTest by getting {
@@ -81,15 +63,6 @@ open class ScientifikMPPlugin : Plugin<Project> {
                     val jsMain by getting {
                         dependencies {
                             api(kotlin("stdlib-js"))
-                            project.afterEvaluate {
-                                if (extension.serialization) {
-                                    implementation("org.jetbrains.kotlinx:kotlinx-serialization-runtime-js:${Scientifik.serializationVersion}")
-                                }
-
-                                if (extension.io) {
-                                    api("org.jetbrains.kotlinx:kotlinx-io-js:${Scientifik.ioVersion}")
-                                }
-                            }
                         }
                     }
                     val jsTest by getting {