diff --git a/docbook/pom.xml b/docbook/pom.xml
index 9174d47f2..77861c109 100644
--- a/docbook/pom.xml
+++ b/docbook/pom.xml
@@ -16,7 +16,7 @@
       <plugin>
         <groupId>org.asciidoctor</groupId>
         <artifactId>asciidoctor-maven-plugin</artifactId>
-        <version>2.2.1</version>
+        <version>3.1.1</version>
         <dependencies>
           <dependency>
             <groupId>org.asciidoctor</groupId>