diff --git a/pom.xml b/pom.xml
index 63277838..cc4d4b99 100644
--- a/pom.xml
+++ b/pom.xml
@@ -199,6 +199,7 @@
             <plugin>
                 <groupId>com.agilejava.docbkx</groupId>
                 <artifactId>docbkx-maven-plugin</artifactId>
+                <version>2.0.6</version>
                 <executions>
                     <execution>
                         <goals>