diff --git a/build.gradle b/build.gradle
index 5a3e85c7af..fb97746583 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,7 +2,7 @@ plugins {
 	id 'io.freefair.aspectj' version '8.4' apply false
 	// kotlinVersion is managed in gradle.properties
 	id 'org.jetbrains.kotlin.plugin.serialization' version "${kotlinVersion}" apply false
-	id 'org.jetbrains.dokka' version '1.8.20'
+	id 'org.jetbrains.dokka' version '1.9.20'
 	id 'org.unbroken-dome.xjc' version '2.0.0' apply false
 	id 'com.github.ben-manes.versions' version '0.51.0'
 	id 'com.github.johnrengelman.shadow' version '8.1.1' apply false