Bug 534867 - Use specific build of CBI aggrr

Change-Id: I9811282fb3099d72f50af52c8d92aad48d237470
Signed-off-by: Mikael Barbero <mikael.barbero@eclipse-foundation.org>
diff --git a/build.xml b/build.xml
index bbd103a..49f4205 100644
--- a/build.xml
+++ b/build.xml
@@ -117,7 +117,7 @@
       value="org.eclipse.equinox.p2.director" />
     <property
       name="otherArgsAggr"
-      value="-metadataRepository http://download.eclipse.org/cbi/updates/aggregator/ide/4.8/ -artifactRepository http://download.eclipse.org/cbi/updates/aggregator/ide/4.8/ -installIU org.eclipse.cbi.p2repo.aggregator.engine.feature.feature.group" />
+      value="-metadataRepository http://download.eclipse.org/cbi/updates/aggregator/ide/4.8/I20180518-0759/ -artifactRepository http://download.eclipse.org/cbi/updates/aggregator/ide/4.8/I20180518-0759/ -installIU org.eclipse.cbi.p2repo.aggregator.engine.feature.feature.group" />
 
       <!--
         Remote builds should use eclipse.p2.mirrors=true