diff --git a/build.gradle.kts b/build.gradle.kts
index c1f2732..4126cc4 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -3,10 +3,10 @@ buildscript {
 }
 
 plugins {
-  kotlin("jvm") version "1.7.10" apply false
-  id("org.jetbrains.dokka") version "1.7.10" apply false
-  id("com.gradle.plugin-publish") version "1.0.0" apply false
-  id("com.github.gmazzo.buildconfig") version "3.1.0" apply false
+  kotlin("jvm") version "1.9.22" apply false
+  id("org.jetbrains.dokka") version "1.9.10" apply false
+  id("com.gradle.plugin-publish") version "1.2.1" apply false
+  id("com.github.gmazzo.buildconfig") version "5.3.5" apply false
 }
 
 allprojects {
diff --git a/kotlin-ir-plugin/build.gradle.kts b/kotlin-ir-plugin/build.gradle.kts
index 917ce98..5cda1e8 100644
--- a/kotlin-ir-plugin/build.gradle.kts
+++ b/kotlin-ir-plugin/build.gradle.kts
@@ -7,12 +7,12 @@ plugins {
 dependencies {
   compileOnly("org.jetbrains.kotlin:kotlin-compiler-embeddable")
 
-  kapt("com.google.auto.service:auto-service:1.0.1")
-  compileOnly("com.google.auto.service:auto-service-annotations:1.0.1")
+  kapt("com.google.auto.service:auto-service:1.1.1")
+  compileOnly("com.google.auto.service:auto-service-annotations:1.1.1")
 
   testImplementation(kotlin("test-junit"))
   testImplementation("org.jetbrains.kotlin:kotlin-compiler-embeddable")
-  testImplementation("com.github.tschuchortdev:kotlin-compile-testing:1.4.9")
+  testImplementation("dev.zacsweers.kctfork:core:0.4.0")
 }
 
 buildConfig {
diff --git a/kotlin-ir-plugin/src/main/kotlin/com/bnorm/template/TemplateCommandLineProcessor.kt b/kotlin-ir-plugin/src/main/kotlin/com/bnorm/template/TemplateCommandLineProcessor.kt
index 862ca4b..f34a59e 100644
--- a/kotlin-ir-plugin/src/main/kotlin/com/bnorm/template/TemplateCommandLineProcessor.kt
+++ b/kotlin-ir-plugin/src/main/kotlin/com/bnorm/template/TemplateCommandLineProcessor.kt
@@ -14,12 +14,15 @@
  * limitations under the License.
  */
 
+@file:OptIn(ExperimentalCompilerApi::class)
+
 package com.bnorm.template
 
 import com.google.auto.service.AutoService
 import org.jetbrains.kotlin.compiler.plugin.AbstractCliOption
 import org.jetbrains.kotlin.compiler.plugin.CliOption
 import org.jetbrains.kotlin.compiler.plugin.CommandLineProcessor
+import org.jetbrains.kotlin.compiler.plugin.ExperimentalCompilerApi
 import org.jetbrains.kotlin.config.CompilerConfiguration
 import org.jetbrains.kotlin.config.CompilerConfigurationKey
 
diff --git a/kotlin-ir-plugin/src/main/kotlin/com/bnorm/template/TemplateComponentRegistrar.kt b/kotlin-ir-plugin/src/main/kotlin/com/bnorm/template/TemplateCompilerRegistrar.kt
similarity index 73%
rename from kotlin-ir-plugin/src/main/kotlin/com/bnorm/template/TemplateComponentRegistrar.kt
rename to kotlin-ir-plugin/src/main/kotlin/com/bnorm/template/TemplateCompilerRegistrar.kt
index a3897b6..da00b24 100644
--- a/kotlin-ir-plugin/src/main/kotlin/com/bnorm/template/TemplateComponentRegistrar.kt
+++ b/kotlin-ir-plugin/src/main/kotlin/com/bnorm/template/TemplateCompilerRegistrar.kt
@@ -14,21 +14,24 @@
  * limitations under the License.
  */
 
+@file:OptIn(ExperimentalCompilerApi::class)
+
 package com.bnorm.template
 
 import com.google.auto.service.AutoService
 import org.jetbrains.kotlin.backend.common.extensions.IrGenerationExtension
 import org.jetbrains.kotlin.cli.common.CLIConfigurationKeys
 import org.jetbrains.kotlin.cli.common.messages.MessageCollector
-import org.jetbrains.kotlin.com.intellij.mock.MockProject
-import org.jetbrains.kotlin.compiler.plugin.ComponentRegistrar
+import org.jetbrains.kotlin.compiler.plugin.CompilerPluginRegistrar
+import org.jetbrains.kotlin.compiler.plugin.ExperimentalCompilerApi
 import org.jetbrains.kotlin.config.CompilerConfiguration
 
-@AutoService(ComponentRegistrar::class)
-class TemplateComponentRegistrar(
+@AutoService(CompilerPluginRegistrar::class)
+class TemplateCompilerRegistrar(
   private val defaultString: String,
   private val defaultFile: String,
-) : ComponentRegistrar {
+) : CompilerPluginRegistrar() {
+  override val supportsK2 = true
 
   @Suppress("unused") // Used by service loader
   constructor() : this(
@@ -36,14 +39,11 @@ class TemplateComponentRegistrar(
     defaultFile = "file.txt"
   )
 
-  override fun registerProjectComponents(
-    project: MockProject,
-    configuration: CompilerConfiguration
-  ) {
+  override fun ExtensionStorage.registerExtensions(configuration: CompilerConfiguration) {
     val messageCollector = configuration.get(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY, MessageCollector.NONE)
     val string = configuration.get(TemplateCommandLineProcessor.ARG_STRING, defaultString)
     val file = configuration.get(TemplateCommandLineProcessor.ARG_FILE, defaultFile)
 
-    IrGenerationExtension.registerExtension(project, TemplateIrGenerationExtension(messageCollector, string, file))
+    IrGenerationExtension.registerExtension(TemplateIrGenerationExtension(messageCollector, string, file))
   }
 }
diff --git a/kotlin-ir-plugin/src/test/kotlin/com/bnorm/template/IrPluginTest.kt b/kotlin-ir-plugin/src/test/kotlin/com/bnorm/template/IrPluginTest.kt
index fecb147..e6beb96 100644
--- a/kotlin-ir-plugin/src/test/kotlin/com/bnorm/template/IrPluginTest.kt
+++ b/kotlin-ir-plugin/src/test/kotlin/com/bnorm/template/IrPluginTest.kt
@@ -1,3 +1,5 @@
+@file:OptIn(ExperimentalCompilerApi::class)
+
 /*
  * Copyright (C) 2020 Brian Norman
  *
@@ -16,10 +18,12 @@
 
 package com.bnorm.template
 
+import com.tschuchort.compiletesting.JvmCompilationResult
 import com.tschuchort.compiletesting.KotlinCompilation
 import com.tschuchort.compiletesting.SourceFile
+import org.jetbrains.kotlin.compiler.plugin.CompilerPluginRegistrar
 import kotlin.test.assertEquals
-import org.jetbrains.kotlin.compiler.plugin.ComponentRegistrar
+import org.jetbrains.kotlin.compiler.plugin.ExperimentalCompilerApi
 import org.junit.Test
 
 class IrPluginTest {
@@ -42,19 +46,18 @@ fun debug() = "Hello, World!"
 
 fun compile(
   sourceFiles: List<SourceFile>,
-  plugin: ComponentRegistrar = TemplateComponentRegistrar(),
-): KotlinCompilation.Result {
+  plugin: CompilerPluginRegistrar = TemplateCompilerRegistrar(),
+): JvmCompilationResult {
   return KotlinCompilation().apply {
     sources = sourceFiles
-    useIR = true
-    compilerPlugins = listOf(plugin)
+    compilerPluginRegistrars = listOf(plugin)
     inheritClassPath = true
   }.compile()
 }
 
 fun compile(
   sourceFile: SourceFile,
-  plugin: ComponentRegistrar = TemplateComponentRegistrar(),
-): KotlinCompilation.Result {
+  plugin: CompilerPluginRegistrar = TemplateCompilerRegistrar(),
+): JvmCompilationResult {
   return compile(listOf(sourceFile), plugin)
 }