Object Teams 2.8.1 M2 for 2020-06 M2

Change-Id: I167ff5bd897081ad5e9d7d557ce258976e4037ac
Signed-off-by: Stephan Herrmann <stephan.herrmann@berlin.de>
diff --git a/objectteams.aggrcon b/objectteams.aggrcon
index e893322..20969db 100644
--- a/objectteams.aggrcon
+++ b/objectteams.aggrcon
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="ASCII"?>
-<aggregator:Contribution xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:aggregator="http://www.eclipse.org/cbi/p2repo/2011/aggregator/1.1.0" enabled="false" label="Object Teams for 2020-06">
-  <repositories location="https://download.eclipse.org/objectteams/updates/ot2.8/202004141732" description="Object Teams updates">
+<aggregator:Contribution xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:aggregator="http://www.eclipse.org/cbi/p2repo/2011/aggregator/1.1.0" label="Object Teams for 2020-06">
+  <repositories location="https://download.eclipse.org/objectteams/updates/ot2.8/202005031823" description="Object Teams updates">
     <features description="Object Teams Development Tooling" name="org.eclipse.objectteams.otdt.feature.group" versionRange="2.8.1">
       <categories href="simrel.aggr#//@customCategories[identifier='Programming%20Languages']"/>
     </features>