diff --git a/documentation/build.gradle b/documentation/build.gradle
index 24878ab2..2329ce64 100644
--- a/documentation/build.gradle
+++ b/documentation/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id 'org.asciidoctor.jvm.convert' version '3.3.2'
+    id 'org.asciidoctor.jvm.convert' version '4.0.2'
     id 'io.freefair.aggregate-javadoc'
     id 'io.freefair.javadoc-links'
 }