diff --git a/eclipse.platform.releng.prereqs.sdk/eclipse-sdk-prereqs.target b/eclipse.platform.releng.prereqs.sdk/eclipse-sdk-prereqs.target
index c6fd4fd..624182e 100644
--- a/eclipse.platform.releng.prereqs.sdk/eclipse-sdk-prereqs.target
+++ b/eclipse.platform.releng.prereqs.sdk/eclipse-sdk-prereqs.target
@@ -169,10 +169,10 @@
 
     <location includeAllPlatforms="true" includeMode="slicer" type="InstallableUnit">
        <!-- Check version in "<EMF>/features" directory -->
-      <unit id="org.eclipse.emf.common.feature.group" version="2.24.0.v20210924-1718"/>
-      <unit id="org.eclipse.emf.common.source.feature.group" version="2.24.0.v20210924-1718"/>
-      <unit id="org.eclipse.emf.ecore.feature.group" version="2.26.0.v20210924-1718"/>
-      <unit id="org.eclipse.emf.ecore.source.feature.group" version="2.26.0.v20210924-1718"/>
+      <unit id="org.eclipse.emf.common.feature.group" version="2.24.0.v20211216-0528"/>
+      <unit id="org.eclipse.emf.common.source.feature.group" version="2.24.0.v20211216-0528"/>
+      <unit id="org.eclipse.emf.ecore.feature.group" version="2.27.0.v20211216-0728"/>
+      <unit id="org.eclipse.emf.ecore.source.feature.group" version="2.27.0.v20211216-0728"/>
        <!-- For org.eclipse.ui.tools, and PDE's spy dependencies as of Eclipse 4.22 -->
        <!-- Check version in "<EMF>/features" directory -->
       <unit id="org.eclipse.emf.edit.feature.group" version="2.17.0.v20210924-1718"/>
@@ -181,7 +181,7 @@
       <unit id="org.eclipse.emf.databinding.source.feature.group" version="1.8.0.v20210924-1718"/>
       <unit id="org.eclipse.emf.databinding.edit.feature.group" version="1.9.0.v20210924-1718"/>
       <unit id="org.eclipse.emf.databinding.edit.source.feature.group" version="1.9.0.v20210924-1718"/>
-      <repository location="https://download.eclipse.org/modeling/emf/emf/builds/release/2.28/"/>
+      <repository location="https://download.eclipse.org/modeling/emf/emf/builds/milestone/S202201030439/"/>
     </location>
 
     <location includeAllPlatforms="true" includeMode="slicer" type="InstallableUnit">