diff --git a/dev-tools/doap/solr.rdf b/dev-tools/doap/solr.rdf
index 53b9ffb8cec..5472d0e3e23 100644
--- a/dev-tools/doap/solr.rdf
+++ b/dev-tools/doap/solr.rdf
@@ -68,6 +68,13 @@
     </maintainer>
 
     <!-- NOTE: please insert releases in numeric order, NOT chronologically. -->
+    <release>
+         <Version>
+           <name>solr-9.1.0</name>
+           <created>2022-11-20</created>
+           <revision>9.1.0</revision>
+         </Version>
+    </release>
     <release>
          <Version>
            <name>solr-9.0.0</name>