diff --git a/cyclonedx.xml b/cyclonedx.xml
index 3e055e0..37c4e24 100644
--- a/cyclonedx.xml
+++ b/cyclonedx.xml
@@ -89,12 +89,21 @@ under the License.
       <externalReference
           type="WEBSITE"
           url="https://ant.apache.org/"/>
+      <externalReference
+          type="ADVISORIES"
+          url="https://ant.apache.org/security.html#Apache%20Ant%20Security%20Vulnerabilities"/>
+      <externalReference
+          type="DOCUMENTATION"
+          url="https://ant.apache.org/manual/"/>
       <externalReference
           type="DISTRIBUTION"
           url="https://ant.apache.org/bindownload.cgi"/>
       <externalReference
           type="SOURCE_DISTRIBUTION"
           url="https://ant.apache.org/srcdownload.cgi"/>
+      <externalReference
+          type="RELEASE_NOTES"
+          url="https://github.com/apache/ant/blob/master/WHATSNEW"/>
     </cdx:externalreferenceset>
   </target>