diff --git a/docs/pom.xml b/docs/pom.xml
index d511fd93..c33a06c8 100644
--- a/docs/pom.xml
+++ b/docs/pom.xml
@@ -27,6 +27,10 @@
 						<artifactId>asciidoctor-maven-plugin</artifactId>
 						<inherited>false</inherited>
 					</plugin>
+					<plugin>
+						<groupId>com.agilejava.docbkx</groupId>
+						<artifactId>docbkx-maven-plugin</artifactId>
+					</plugin>
 					<plugin>
 						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-antrun-plugin</artifactId>