update doap_rivet.rdf
diff --git a/rivet/doap_rivet.rdf b/rivet/doap_rivet.rdf
index 28a1423..7750d78 100644
--- a/rivet/doap_rivet.rdf
+++ b/rivet/doap_rivet.rdf
@@ -29,16 +29,16 @@
     <category rdf:resource="http://projects.apache.org/category/web-framework" />
     <release>
       <Version>
-        <name>rivet-2.3</name>
-        <created>2017-11-11</created>
-        <revision>2.3.5</revision>
+        <name>rivet-2.4</name>
+        <created>2018-11-28</created>
+        <revision>2.4.0</revision>
       </Version>
     </release>
     <release>
       <Version>
-        <name>rivet-3.0</name>
-        <created>2018-11-18</created>
-        <revision>3.0.3</revision>
+        <name>rivet-3.1</name>
+        <created>2018-11-28</created>
+        <revision>3.1.0</revision>
       </Version>
     </release>
     <repository>