diff --git a/publish-to-maven-central/SDK4Mvn.aggr b/publish-to-maven-central/SDK4Mvn.aggr
index 348e1bd..3876eca 100644
--- a/publish-to-maven-central/SDK4Mvn.aggr
+++ b/publish-to-maven-central/SDK4Mvn.aggr
@@ -2,27 +2,27 @@
 <aggregator:Aggregation xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aggregator="http://www.eclipse.org/cbi/p2repo/2011/aggregator/1.1.0" label="SDK4Mvn" packedStrategy="UNPACK_AS_SIBLING" type="R" mavenResult="true" versionFormat="MavenRelease">
   <validationSets label="main">
     <contributions label="sdk">
-      <repositories enabled="false" location="/home/data/httpd/download.eclipse.org/eclipse/updates/4.19/R-4.19-202103031800/">
+      <repositories enabled="false" location="/home/data/httpd/download.eclipse.org/eclipse/updates/4.20-I-builds/I20210526-0600/">
         <mapRules xsi:type="aggregator:ExclusionRule" name="org.eclipse.e4.core.tools.feature.feature.group"/>
         <mapRules xsi:type="aggregator:ExclusionRule" name="org.eclipse.e4.core.tools.feature.source.feature.group"/>
       </repositories>
-      <repositories enabled="false" location="/home/data/httpd/download.eclipse.org/eclipse/updates/4.19/R-4.19-202103031800/">
+      <repositories enabled="false" location="/home/data/httpd/download.eclipse.org/eclipse/updates/4.20-I-builds/I20210526-0600/">
         <bundles name="org.eclipse.jdt.core.compiler.batch"/>
       </repositories>
     </contributions>
     <contributions label="sdk_http">
-      <repositories location="https://download.eclipse.org/eclipse/updates/4.19/R-4.19-202103031800/">
+      <repositories location="https://download.eclipse.org/eclipse/updates/4.20-I-builds/I20210526-0600/">
         <mapRules xsi:type="aggregator:ExclusionRule" name="org.eclipse.e4.core.tools.feature.feature.group"/>
         <mapRules xsi:type="aggregator:ExclusionRule" name="org.eclipse.e4.core.tools.feature.source.feature.group"/>
       </repositories>
-      <repositories location="https://download.eclipse.org/eclipse/updates/4.19/R-4.19-202103031800/">
+      <repositories location="https://download.eclipse.org/eclipse/updates/4.20-I-builds/I20210526-0600/">
         <bundles name="org.eclipse.jdt.core.compiler.batch"/>
       </repositories>
     </contributions>
-    <validationRepositories enabled="false" location="/home/data/httpd/download.eclipse.org/modeling/emf/emf/builds/release/2.25/"/>
-    <validationRepositories location="https://download.eclipse.org/modeling/emf/emf/builds/release/2.25/"/>
-    <validationRepositories enabled="false" location="/home/data/httpd/download.eclipse.org/tools/orbit/downloads/drops/R20210223232630/repository/"/>
-    <validationRepositories location="https://download.eclipse.org/tools/orbit/downloads/drops/R20210223232630/repository/"/>
+    <validationRepositories enabled="false" location="/home/data/httpd/download.eclipse.org/modeling/emf/emf/builds/milestone/S202105150126/"/>
+    <validationRepositories location="https://download.eclipse.org/modeling/emf/emf/builds/milestone/S202105150126/"/>
+    <validationRepositories enabled="false" location="/home/data/httpd/download.eclipse.org/tools/orbit/downloads/drops/S20210518003616/repository/"/>
+    <validationRepositories location="https://download.eclipse.org/tools/orbit/downloads/drops/S20210518003616/repository/"/>
   </validationSets>
   <configurations operatingSystem="linux" windowSystem="gtk" architecture="aarch64"/>
   <configurations operatingSystem="linux" windowSystem="gtk" architecture="ppc64le"/>
diff --git a/publish-to-maven-central/properties.sh b/publish-to-maven-central/properties.sh
index 7ce519e..8d3c679 100644
--- a/publish-to-maven-central/properties.sh
+++ b/publish-to-maven-central/properties.sh
@@ -20,7 +20,7 @@
 FILE_ECLIPSE=${DROPS4}/${SDK_BUILD_DIR}/eclipse-SDK-${SDK_VERSION}-linux-gtk-x86_64.tar.gz
 
 # JDT / ECJ:
-ECJ_VERSION=3.25.0
+ECJ_VERSION=3.26.0
 
 # AGGREGATOR:
 IU_AGG_PRODUCT=org.eclipse.cbi.p2repo.cli.product