diff --git a/releng/org.eclipse.emf.compare.releng/publish-release.sh b/releng/org.eclipse.emf.compare.releng/publish-release.sh
new file mode 100644
index 0000000..c88e174
--- /dev/null
+++ b/releng/org.eclipse.emf.compare.releng/publish-release.sh
@@ -0,0 +1,81 @@
+#!/bin/sh
+# ====================================================================
+# Copyright (c) 2021 Obeo
+# This program and the accompanying materials
+# are made available under the terms of the Eclipse Public License 2.0
+# which accompanies this distribution, and is available at
+# https://www.eclipse.org/legal/epl-2.0
+#
+# Contributors:
+#    Obeo - initial API and implementation
+# ====================================================================
+
+# Exit on error
+set -e
+
+# The SSH account to use
+export SSH_ACCOUNT="genie.emfcompare@projects-storage.eclipse.org"
+
+PROJECT_NAME="EMF Compare"
+MILESTONES_FOLDER="/home/data/httpd/download.eclipse.org/modeling/emf/compare/updates/milestones"
+RELEASES_FOLDER="/home/data/httpd/download.eclipse.org/modeling/emf/compare/updates/releases"
+DROPS_FOLDER="/home/data/httpd/download.eclipse.org/modeling/emf/compare/downloads/drops"
+ZIP_PREFIX="emf-compare-update-"
+GROUP="modeling.emfcompare"
+
+if [[ ! ${QUALIFIER} =~ ^[0-9]\.[0-9]\.[0-9]+\.[0-9]{12}$ ]]
+then
+  echo "$QUALIFIER doesn't match the expected format x.x.x.yyyyMMddhhmm"
+  exit 1
+fi
+
+if ssh ${SSH_ACCOUNT} "[ ! -d ${MILESTONES_FOLDER}/${VERSION_SHORT}/S${TIMESTAMP} ]"
+then
+  echo "couldn't find build with qualifier $QUALIFIER in the promoted milestones"
+  exit 1
+fi
+
+echo "promoting milestone S${TIMESTAMP} as release ${VERSION}"
+
+IFS=. read MAJOR MINOR MICRO TIMESTAMP <<<"${QUALIFIER}"
+
+VERSION_SHORT=${MAJOR}.${MINOR}
+VERSION=${MAJOR}.${MINOR}.${MICRO}
+
+ssh ${SSH_ACCOUNT} << EOSSH
+  ## copy the drops
+  
+  cp -r ${DROPS_FOLDER}/${VERSION}/S${TIMESTAMP} ${DROPS_FOLDER}/${VERSION}/R${TIMESTAMP}
+  mv ${DROPS_FOLDER}/${VERSION}/R${TIMESTAMP}/${ZIP_PREFIX}*.zip ${DROPS_FOLDER}/${VERSION}/R${TIMESTAMP}/${ZIP_PREFIX}${VERSION}.zip
+  rm ${DROPS_FOLDER}/${VERSION}/R${TIMESTAMP}/${ZIP_PREFIX}*.zip.md5
+  md5sum ${DROPS_FOLDER}/${VERSION}/R${TIMESTAMP}/${ZIP_PREFIX}${VERSION}.zip > ${DROPS_FOLDER}/${VERSION}/R${TIMESTAMP}/${ZIP_PREFIX}${VERSION}.zip.md5
+  chgrp -R ${GROUP} ${DROPS_FOLDER}/${VERSION}/R${TIMESTAMP}
+
+  ## copy the update site
+
+  UPDATE_ROOT_COMPOSITE=false
+  if [ ! -d ${RELEASES_FOLDER}/${VERSION_SHORT} ]
+  then
+    mkdir -p ${RELEASES_FOLDER}/${VERSION_SHORT}
+    chgrp -R ${GROUP} ${RELEASES_FOLDER}/${VERSION_SHORT}
+    UPDATE_ROOT_COMPOSITE=true
+  fi
+  cp -r ${MILESTONES_FOLDER}/${VERSION_SHORT}/S${TIMESTAMP} ${RELEASES_FOLDER}/${VERSION_SHORT}/R${TIMESTAMP}
+  chgrp -R ${GROUP} ${RELEASES_FOLDER}/${VERSION_SHORT}/R${TIMESTAMP}
+
+  ## update the releases composite
+
+  #cd ${RELEASES_FOLDER}/${VERSION_SHORT}
+  #/shared/common/apache-ant-latest/bin/ant -f /shared/modeling/tools/promotion/manage-composite.xml add -Dchild.repository=R${TIMESTAMP} -Dcomposite.name="${PROJECT_NAME} ${VERSION_SHORT} releases"
+
+  #if [ "$UPDATE_ROOT_COMPOSITE" = true ]
+  #then
+    #cd ${RELEASES_FOLDER}
+    #/shared/common/apache-ant-latest/bin/ant -f /shared/modeling/tools/promotion/manage-composite.xml add -Dchild.repository=${VERSION_SHORT} -Dcomposite.name="${PROJECT_NAME} releases"
+  #fi
+
+  ## update the "latest" update site
+
+  rm -r ${RELEASES_FOLDER}/latest/*
+  cp -r ${RELEASES_FOLDER}/${VERSION_SHORT}/R${TIMESTAMP}/* ${RELEASES_FOLDER}/latest/
+EOSSH
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