diff --git a/build.gradle.kts b/build.gradle.kts
index 42981c47531..d04822fd95c 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -11,7 +11,7 @@ plugins {
     id("org.sonarqube") version "4.4.1.3373"
     id("io.freefair.lombok") version "8.4"
     id("io.freefair.javadoc-links") version "8.3"
-    id("io.freefair.javadoc-utf-8") version "8.3"
+    id("io.freefair.javadoc-utf-8") version "8.4"
     id("io.freefair.aspectj.post-compile-weaving") version "8.3"
     id("io.freefair.maven-central.validate-poms") version "8.4"
     id("me.qoomon.git-versioning") version "6.4.2"