diff --git a/dev-tools/doap/lucene.rdf b/dev-tools/doap/lucene.rdf
index 4b57d6c3ab2..c1950a0b3a3 100644
--- a/dev-tools/doap/lucene.rdf
+++ b/dev-tools/doap/lucene.rdf
@@ -66,6 +66,13 @@
       </foaf:Person>
     </maintainer>
 
+    <release>
+      <Version>
+        <name>lucene-6.4.2</name>
+        <created>2017-03-07</created>
+        <revision>6.4.2</revision>
+      </Version>
+    </release>
     <release>
       <Version>
         <name>lucene-6.4.1</name>
diff --git a/dev-tools/doap/solr.rdf b/dev-tools/doap/solr.rdf
index 47a6652cff8..45efd08fa5c 100644
--- a/dev-tools/doap/solr.rdf
+++ b/dev-tools/doap/solr.rdf
@@ -66,6 +66,13 @@
       </foaf:Person>
     </maintainer>
 
+    <release>
+      <Version>
+        <name>solr-6.4.2</name>
+        <created>2017-03-07</created>
+        <revision>6.4.2</revision>
+      </Version>
+    </release>
     <release>
       <Version>
         <name>solr-6.4.1</name>