diff --git a/build.gradle.kts b/build.gradle.kts
index 9759165..063ab87 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -10,10 +10,10 @@ plugins {
     id("org.sonarqube") version "4.4.1.3373"
     id("org.cadixdev.licenser") version "0.6.1"
     id("me.qoomon.git-versioning") version "6.4.3"
-    id("io.freefair.javadoc-links") version "8.4"
-    id("io.freefair.javadoc-utf-8") version "8.4"
+    id("io.freefair.javadoc-links") version "8.6"
+    id("io.freefair.javadoc-utf-8") version "8.6"
     id("com.github.ben-manes.versions") version "0.51.0"
-    id("io.freefair.maven-central.validate-poms") version "8.4"
+    id("io.freefair.maven-central.validate-poms") version "8.6"
     id("ru.vyarus.pom") version "2.2.2"
     id("io.codearte.nexus-staging") version "0.30.0"
 }