diff --git a/compiler/src/main/kotlin/se/ansman/kotshi/kapt/KotshiProcessor.kt b/compiler/src/main/kotlin/se/ansman/kotshi/kapt/KotshiProcessor.kt
index cfa7fb7..39297eb 100644
--- a/compiler/src/main/kotlin/se/ansman/kotshi/kapt/KotshiProcessor.kt
+++ b/compiler/src/main/kotlin/se/ansman/kotshi/kapt/KotshiProcessor.kt
@@ -74,7 +74,7 @@ class KotshiProcessor : AbstractProcessor() {
             ?.let { GeneratedAnnotation(it, KotshiProcessor::class.asClassName()) }
         elements = processingEnv.elementUtils
         types = processingEnv.typeUtils
-        metadataAccessor = MetadataAccessor(ElementsClassInspector.create(elements, processingEnv.typeUtils))
+        metadataAccessor = MetadataAccessor(ElementsClassInspector.create(lenient = true, elements, processingEnv.typeUtils))
         steps = ImmutableList.copyOf(initSteps())
     }
 
diff --git a/compiler/src/main/kotlin/se/ansman/kotshi/kapt/MetadataAccessor.kt b/compiler/src/main/kotlin/se/ansman/kotshi/kapt/MetadataAccessor.kt
index 446b133..4d63048 100644
--- a/compiler/src/main/kotlin/se/ansman/kotshi/kapt/MetadataAccessor.kt
+++ b/compiler/src/main/kotlin/se/ansman/kotshi/kapt/MetadataAccessor.kt
@@ -6,10 +6,10 @@ import com.squareup.kotlinpoet.TypeSpec
 import com.squareup.kotlinpoet.asClassName
 import com.squareup.kotlinpoet.metadata.specs.ClassInspector
 import com.squareup.kotlinpoet.metadata.specs.toTypeSpec
-import com.squareup.kotlinpoet.metadata.toKmClass
 import com.squareup.kotlinpoet.tag
 import kotlinx.metadata.KmClass
 import kotlinx.metadata.isLocalClassName
+import kotlinx.metadata.jvm.KotlinClassMetadata
 import se.ansman.kotshi.Errors.javaClassNotSupported
 import javax.lang.model.element.Element
 import javax.lang.model.element.TypeElement
@@ -31,7 +31,9 @@ class MetadataAccessor(private val classInspector: ClassInspector) {
 
     fun getLanguageVersion(type: Element): KotlinVersion = getMetadata(type).languageVersion
 
-    fun getKmClass(metadata: Metadata): KmClass = kmClassPerMetadata.getOrPut(metadata) { metadata.toKmClass() }
+    fun getKmClass(metadata: Metadata): KmClass = kmClassPerMetadata.getOrPut(metadata) {
+        (KotlinClassMetadata.readLenient(metadata) as KotlinClassMetadata.Class).kmClass
+    }
     fun getKmClass(type: Element): KmClass = getKmClass(getMetadata(type))
     fun getKmClassOrNull(type: Element): KmClass? = getMetadataOrNull(type)?.let(::getKmClass)
 
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index e96194d..ede847d 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,7 +1,7 @@
 [versions]
 kotlin = "2.0.0"
 auto-service = "1.1.1"
-kotlinpoet = "1.16.0"
+kotlinpoet = "1.17.0"
 compileTesting = "0.4.1"
 incap = "1.0.0"
 ksp = "1.9.24-1.0.20"