diff --git a/dev-tools/doap/lucene.rdf b/dev-tools/doap/lucene.rdf
index 320e0ddef15..e16419b06f6 100644
--- a/dev-tools/doap/lucene.rdf
+++ b/dev-tools/doap/lucene.rdf
@@ -67,6 +67,13 @@
     </maintainer>
 
     <!-- NOTE: please insert releases in numeric order, NOT chronologically. -->
+    <release>
+       <Version>
+         <name>lucene-8.6.3</name>
+         <created>2020-10-07</created>
+         <revision>8.6.3</revision>
+       </Version>
+   </release>
     <release>
        <Version>
          <name>lucene-8.6.2</name>
diff --git a/dev-tools/doap/solr.rdf b/dev-tools/doap/solr.rdf
index d63f6772316..450b3be536d 100644
--- a/dev-tools/doap/solr.rdf
+++ b/dev-tools/doap/solr.rdf
@@ -67,6 +67,13 @@
     </maintainer>
 
     <!-- NOTE: please insert releases in numeric order, NOT chronologically. -->
+    <release>
+         <Version>
+           <name>solr-8.6.3</name>
+           <created>2020-10-07</created>
+           <revision>8.6.3</revision>
+         </Version>
+    </release>
     <release>
          <Version>
            <name>solr-8.6.2</name>