DOAP changes for release 8.8.1
diff --git a/dev-tools/doap/lucene.rdf b/dev-tools/doap/lucene.rdf
index 1699779..95542dd 100644
--- a/dev-tools/doap/lucene.rdf
+++ b/dev-tools/doap/lucene.rdf
@@ -69,6 +69,14 @@
     <!-- NOTE: please insert releases in numeric order, NOT chronologically. -->
     <release>
        <Version>
+         <name>lucene-8.8.1</name>
+         <created>2021-02-22</created>
+         <revision>8.8.1</revision>
+       </Version>
+   </release>
+
+    <release>
+       <Version>
          <name>lucene-8.7.0</name>
          <created>2020-11-03</created>
          <revision>8.7.0</revision>
diff --git a/dev-tools/doap/solr.rdf b/dev-tools/doap/solr.rdf
index e0bd6c0..09cfedc 100644
--- a/dev-tools/doap/solr.rdf
+++ b/dev-tools/doap/solr.rdf
@@ -69,6 +69,14 @@
     <!-- NOTE: please insert releases in numeric order, NOT chronologically. -->
     <release>
          <Version>
+           <name>solr-8.8.1</name>
+           <created>2021-02-22</created>
+           <revision>8.8.1</revision>
+         </Version>
+    </release>
+
+    <release>
+         <Version>
            <name>solr-8.7.0</name>
            <created>2020-11-03</created>
            <revision>8.7.0</revision>