diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/report/MetricsWriter.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/report/MetricsWriter.kt
index 790a5b16474..9d2502fd670 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/report/MetricsWriter.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/report/MetricsWriter.kt
@@ -15,10 +15,11 @@ import org.jetbrains.kotlin.gradle.report.data.BuildExecutionData
 import org.jetbrains.kotlin.gradle.report.data.BuildExecutionDataProcessor
 import java.io.File
 import java.io.ObjectOutputStream
+import java.io.Serializable
 
 internal class MetricsWriter(
     private val outputFile: File,
-) : BuildExecutionDataProcessor {
+) : BuildExecutionDataProcessor, Serializable {
     override fun process(build: BuildExecutionData, log: Logger) {
         if (build.failureMessages.isNotEmpty()) return