diff --git a/releng/plugins/org.polarsys.kitalpha.releng.targets/kitalpha.target b/releng/plugins/org.polarsys.kitalpha.releng.targets/kitalpha.target
index 216401d07..8bc378298 100644
--- a/releng/plugins/org.polarsys.kitalpha.releng.targets/kitalpha.target
+++ b/releng/plugins/org.polarsys.kitalpha.releng.targets/kitalpha.target
@@ -114,7 +114,7 @@
       <unit id="org.eclipse.sirius.samples.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.sirius.specifier.properties.feature.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.sirius.specifier.feature.group" version="0.0.0"/>
-      <repository id="sirius" location="https://download.eclipse.org/sirius/updates/stable/6.6.0-S20210906-045606/2020-06/"/>
+      <repository id="sirius" location="https://download.eclipse.org/sirius/updates/stable/6.6.0-S20211026-113903/2020-06/"/>
     </location>
     <location includeMode="planner" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="false" type="InstallableUnit">
       <unit id="org.eclipse.emf.diffmerge.feature.feature.group" version="0.0.0"/>
@@ -125,19 +125,19 @@
       <unit id="org.eclipse.emf.diffmerge.gmf.feature.source.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.emf.diffmerge.egit.feature.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.emf.diffmerge.egit.feature.source.feature.group" version="0.0.0"/>
-      <repository id="EMF-DiffMerge" location="https://download.eclipse.org/diffmerge/stable/0.13.1-M3/emf-diffmerge-site/"/>
+      <repository id="EMF-DiffMerge" location="https://download.eclipse.org/diffmerge/releases/0.13.1/emf-diffmerge-site/"/>
     </location>
     <location includeMode="planner" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="false" type="InstallableUnit">
       <unit id="org.eclipse.emf.diffmerge.patterns.sdk.feature.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.emf.diffmerge.patterns.sdk.feature.source.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.emf.diffmerge.patterns.sirius.sdk.feature.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.emf.diffmerge.patterns.sirius.sdk.feature.source.feature.group" version="0.0.0"/>
-      <repository id="EDM-Patterns" location="https://download.eclipse.org/diffmerge/stable/0.13.1-M3/edm-patterns-site/"/>
+      <repository id="EDM-Patterns" location="https://download.eclipse.org/diffmerge/releases/0.13.1/edm-patterns-site/"/>
     </location>
     <location includeMode="planner" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="false" type="InstallableUnit">
       <unit id="org.eclipse.emf.diffmerge.coevolution.sdk.feature.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.emf.diffmerge.coevolution.sdk.feature.source.feature.group" version="0.0.0"/>
-      <repository id="coevolution" location="https://download.eclipse.org/diffmerge/stable/0.13.1-M3/edm-coevolution-site/"/>
+      <repository id="coevolution" location="https://download.eclipse.org/diffmerge/releases/0.13.1/edm-coevolution-site/"/>
     </location>
     <location includeMode="planner" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="false" type="InstallableUnit">
       <unit id="org.eclipse.amalgam.explorer.activity.feature.group" version="0.0.0"/>
@@ -148,7 +148,7 @@
       <unit id="org.eclipse.amalgam.explorer.contextual.sirius.source.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.amalgam.explorer.contextual.core.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.amalgam.explorer.contextual.core.source.feature.group" version="0.0.0"/>
-      <repository id="amalgam" location="https://download.eclipse.org/modeling/amalgam/updates/stable/1.12.1-S20210330/capella"/>
+      <repository id="amalgam" location="https://download.eclipse.org/modeling/amalgam/updates/releases/1.12.1/capella"/>
     </location>
     <location includeMode="planner" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="false" type="InstallableUnit">
       <unit id="org.eclipse.egf.sdk.feature.feature.group" version="0.0.0"/>
diff --git a/releng/plugins/org.polarsys.kitalpha.releng.targets/kitalpha.targetplatform b/releng/plugins/org.polarsys.kitalpha.releng.targets/kitalpha.targetplatform
index e963ebeb3..0dc98a7dd 100644
--- a/releng/plugins/org.polarsys.kitalpha.releng.targets/kitalpha.targetplatform
+++ b/releng/plugins/org.polarsys.kitalpha.releng.targets/kitalpha.targetplatform
@@ -94,7 +94,7 @@ location acceleo "https://download.eclipse.org/acceleo/updates/releases/3.7/" {
 	org.eclipse.acceleo.doc [3.7.11,3.7.12)
 }
 
-location sirius "https://download.eclipse.org/sirius/updates/stable/6.6.0-S20210906-045606/2020-06/" {
+location sirius "https://download.eclipse.org/sirius/updates/stable/6.6.0-S20211026-113903/2020-06/" {
 	org.eclipse.sirius.doc.feature.feature.group lazy
     org.eclipse.sirius.runtime.source.feature.group lazy
     org.eclipse.sirius.runtime.acceleo.feature.group lazy
@@ -126,7 +126,7 @@ location sirius "https://download.eclipse.org/sirius/updates/stable/6.6.0-S20210
 	org.eclipse.sirius.specifier.feature.group lazy
 }
 
-location EMF-DiffMerge "https://download.eclipse.org/diffmerge/stable/0.13.1-M3/emf-diffmerge-site/" {
+location EMF-DiffMerge "https://download.eclipse.org/diffmerge/releases/0.13.1/emf-diffmerge-site/" {
 	org.eclipse.emf.diffmerge.feature.feature.group lazy
 	org.eclipse.emf.diffmerge.feature.source.feature.group lazy
 	org.eclipse.emf.diffmerge.sirius.feature.feature.group lazy
@@ -137,19 +137,19 @@ location EMF-DiffMerge "https://download.eclipse.org/diffmerge/stable/0.13.1-M3/
 	org.eclipse.emf.diffmerge.egit.feature.source.feature.group lazy
 }
 
-location EDM-Patterns "https://download.eclipse.org/diffmerge/stable/0.13.1-M3/edm-patterns-site/" {
+location EDM-Patterns "https://download.eclipse.org/diffmerge/releases/0.13.1/edm-patterns-site/" {
 	org.eclipse.emf.diffmerge.patterns.sdk.feature.feature.group lazy
 	org.eclipse.emf.diffmerge.patterns.sdk.feature.source.feature.group lazy
 	org.eclipse.emf.diffmerge.patterns.sirius.sdk.feature.feature.group lazy
 	org.eclipse.emf.diffmerge.patterns.sirius.sdk.feature.source.feature.group lazy
 }
 
-location coevolution "https://download.eclipse.org/diffmerge/stable/0.13.1-M3/edm-coevolution-site/" {
+location coevolution "https://download.eclipse.org/diffmerge/releases/0.13.1/edm-coevolution-site/" {
 	 org.eclipse.emf.diffmerge.coevolution.sdk.feature.feature.group lazy
 	 org.eclipse.emf.diffmerge.coevolution.sdk.feature.source.feature.group lazy
 }
 
-location amalgam "https://download.eclipse.org/modeling/amalgam/updates/stable/1.12.1-S20210330/capella" {
+location amalgam "https://download.eclipse.org/modeling/amalgam/updates/releases/1.12.1/capella" {
 	org.eclipse.amalgam.explorer.activity.feature.group lazy
 	org.eclipse.amalgam.explorer.activity.source.feature.group lazy
 	org.eclipse.amalgam.explorer.contextual.feature.group lazy
diff --git a/releng/plugins/org.polarsys.kitalpha.releng.targets/kitalphaWithRuntimeCore.target b/releng/plugins/org.polarsys.kitalpha.releng.targets/kitalphaWithRuntimeCore.target
index 7502f0a7d..2ce219b11 100644
--- a/releng/plugins/org.polarsys.kitalpha.releng.targets/kitalphaWithRuntimeCore.target
+++ b/releng/plugins/org.polarsys.kitalpha.releng.targets/kitalphaWithRuntimeCore.target
@@ -125,19 +125,19 @@
       <unit id="org.eclipse.emf.diffmerge.gmf.feature.source.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.emf.diffmerge.egit.feature.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.emf.diffmerge.egit.feature.source.feature.group" version="0.0.0"/>
-      <repository id="EMF-DiffMerge" location="https://download.eclipse.org/diffmerge/stable/0.13.1-M3/emf-diffmerge-site/"/>
+      <repository id="EMF-DiffMerge" location="https://download.eclipse.org/diffmerge/releases/0.13.1/emf-diffmerge-site/"/>
     </location>
     <location includeMode="planner" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="false" type="InstallableUnit">
       <unit id="org.eclipse.emf.diffmerge.patterns.sdk.feature.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.emf.diffmerge.patterns.sdk.feature.source.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.emf.diffmerge.patterns.sirius.sdk.feature.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.emf.diffmerge.patterns.sirius.sdk.feature.source.feature.group" version="0.0.0"/>
-      <repository id="EDM-Patterns" location="https://download.eclipse.org/diffmerge/stable/0.13.1-M3/edm-patterns-site/"/>
+      <repository id="EDM-Patterns" location="https://download.eclipse.org/diffmerge/releases/0.13.1/edm-patterns-site/"/>
     </location>
     <location includeMode="planner" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="false" type="InstallableUnit">
       <unit id="org.eclipse.emf.diffmerge.coevolution.sdk.feature.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.emf.diffmerge.coevolution.sdk.feature.source.feature.group" version="0.0.0"/>
-      <repository id="coevolution" location="https://download.eclipse.org/diffmerge/stable/0.13.1-M3/edm-coevolution-site/"/>
+      <repository id="coevolution" location="https://download.eclipse.org/diffmerge/releases/0.13.1/edm-coevolution-site/"/>
     </location>
     <location includeMode="planner" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="false" type="InstallableUnit">
       <unit id="org.eclipse.amalgam.explorer.activity.feature.group" version="0.0.0"/>
@@ -148,7 +148,7 @@
       <unit id="org.eclipse.amalgam.explorer.contextual.sirius.source.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.amalgam.explorer.contextual.core.feature.group" version="0.0.0"/>
       <unit id="org.eclipse.amalgam.explorer.contextual.core.source.feature.group" version="0.0.0"/>
-      <repository id="amalgam" location="https://download.eclipse.org/modeling/amalgam/updates/stable/1.12.1-S20210330/capella"/>
+      <repository id="amalgam" location="https://download.eclipse.org/modeling/amalgam/updates/releases/1.12.1/capella"/>
     </location>
     <location includeMode="planner" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="false" type="InstallableUnit">
       <unit id="org.eclipse.egf.sdk.feature.feature.group" version="0.0.0"/>