diff --git a/jetty-documentation/pom.xml b/jetty-documentation/pom.xml
index 49c6a68973ed..bb6f2b96bf90 100644
--- a/jetty-documentation/pom.xml
+++ b/jetty-documentation/pom.xml
@@ -20,7 +20,7 @@
           <dependency>
             <groupId>org.asciidoctor</groupId>
             <artifactId>asciidoctorj-diagram</artifactId>
-            <version>2.0.5</version>
+            <version>2.2.1</version>
           </dependency>
         </dependencies>
         <configuration>