diff --git a/build.gradle.kts b/build.gradle.kts
index 970189b..ef7a872 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -1,5 +1,6 @@
 import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
 import org.jetbrains.kotlin.com.google.gson.Gson
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 import java.io.FileWriter
 
 plugins {
@@ -99,6 +100,13 @@ subprojects {
     targetCompatibility = javaVersion
   }
 
+  tasks.withType<KotlinCompile> {
+    kotlinOptions {
+      freeCompilerArgs =
+        freeCompilerArgs + "-Xopt-in=kotlinx.serialization.ExperimentalSerializationApi"
+    }
+  }
+
   tasks.processResources {
     val props = mapOf("version" to version)
     inputs.properties(props)
diff --git a/foundation-core/src/main/kotlin/cloud/kubelet/foundation/core/FoundationCorePlugin.kt b/foundation-core/src/main/kotlin/cloud/kubelet/foundation/core/FoundationCorePlugin.kt
index c914eec..51e2301 100644
--- a/foundation-core/src/main/kotlin/cloud/kubelet/foundation/core/FoundationCorePlugin.kt
+++ b/foundation-core/src/main/kotlin/cloud/kubelet/foundation/core/FoundationCorePlugin.kt
@@ -5,7 +5,6 @@ import cloud.kubelet.foundation.core.devupdate.DevUpdateServer
 import cloud.kubelet.foundation.core.persist.PersistentStore
 import cloud.kubelet.foundation.core.persist.setAllProperties
 import io.papermc.paper.event.player.AsyncChatEvent
-import kotlinx.serialization.ExperimentalSerializationApi
 import net.kyori.adventure.text.Component
 import net.kyori.adventure.text.TextComponent
 import org.bukkit.GameMode
@@ -18,7 +17,6 @@ import java.nio.file.Path
 import java.time.Instant
 import java.util.concurrent.ConcurrentHashMap
 
-@ExperimentalSerializationApi
 class FoundationCorePlugin : JavaPlugin(), Listener {
   internal val persistentStores = ConcurrentHashMap<String, PersistentStore>()
   private lateinit var _pluginDataPath: Path
diff --git a/foundation-core/src/main/kotlin/cloud/kubelet/foundation/core/devupdate/DevUpdateServer.kt b/foundation-core/src/main/kotlin/cloud/kubelet/foundation/core/devupdate/DevUpdateServer.kt
index 77226f7..0dcf3a5 100644
--- a/foundation-core/src/main/kotlin/cloud/kubelet/foundation/core/devupdate/DevUpdateServer.kt
+++ b/foundation-core/src/main/kotlin/cloud/kubelet/foundation/core/devupdate/DevUpdateServer.kt
@@ -5,14 +5,12 @@ import cloud.kubelet.foundation.core.Util
 import com.charleskorn.kaml.Yaml
 import com.sun.net.httpserver.HttpExchange
 import com.sun.net.httpserver.HttpServer
-import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.decodeFromStream
 import kotlinx.serialization.json.jsonPrimitive
 import java.net.InetSocketAddress
 import kotlin.io.path.inputStream
 
-@ExperimentalSerializationApi
 class DevUpdateServer(val plugin: FoundationCorePlugin) {
   private lateinit var config: DevUpdateConfig
   private var server: HttpServer? = null