diff --git a/pom/plugin.jelly b/pom/plugin.jelly
index 1937bb25..44f5c1c7 100644
--- a/pom/plugin.jelly
+++ b/pom/plugin.jelly
@@ -60,6 +60,7 @@
     <path id="validate.path">
       <pathelement path="${plugin.getDependencyPath('isorelax')}"/>
       <pathelement path="${plugin.getDependencyPath('thaiopensource:jing')}"/>
+      <pathelement path="${plugin.getDependencyPath('xml-apis')}"/>
       <pathelement path="${plugin.getDependencyPath('xerces')}"/>
     </path>
 
diff --git a/pom/xdocs/changes.xml b/pom/xdocs/changes.xml
index 62f0d547..15d6fef2 100644
--- a/pom/xdocs/changes.xml
+++ b/pom/xdocs/changes.xml
@@ -25,6 +25,9 @@
   <body>
     <releases>
       <release version="1.4" date="in CVS">
+        <action dev="evenisse" type="add">
+          Add missing xml-apis jar.
+        </action>
         <action dev="vmassol" type="add">
           Verify valid POM versions. Only "3" and "4" are currently allowed.
         </action>