diff --git a/dev-tools/doap/lucene.rdf b/dev-tools/doap/lucene.rdf
index 7173c316e4c..803a252fac1 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-8.4.1</name>
+        <created>2020-01-13</created>
+        <revision>8.4.1</revision>
+      </Version>
+    </release>
    <release>
       <Version>
         <name>lucene-8.4.0</name>
diff --git a/dev-tools/doap/solr.rdf b/dev-tools/doap/solr.rdf
index 528fe06418d..c56036d8014 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-8.4.1</name>
+        <created>2020-01-13</created>
+        <revision>8.4.1</revision>
+      </Version>
+   </release>
     <release>
       <Version>
         <name>solr-8.4.0</name>