diff --git a/releng/CDT.setup b/releng/CDT.setup
index 6113be25689..c2b8b13d4b0 100644
--- a/releng/CDT.setup
+++ b/releng/CDT.setup
@@ -76,7 +76,7 @@
         name="CDT"
         version="9.0"
         location="${workspace.location/../api.baseline}"
-        remoteURI="http://download.eclipse.org/tools/cdt/releases/9.0/cdt-9.0.0.zip"/>
+        remoteURI="http://download.eclipse.org/tools/cdt/builds/neon/milestones/ur1-rc4/cdt-9.1rc4.zip"/>
     <setupTask
         xsi:type="git:GitCloneTask"
         id="git.clone.cdt"
diff --git a/releng/org.eclipse.cdt.target/cdt-baseline.target b/releng/org.eclipse.cdt.target/cdt-baseline.target
index d20918c6429..bbef9dc646b 100644
--- a/releng/org.eclipse.cdt.target/cdt-baseline.target
+++ b/releng/org.eclipse.cdt.target/cdt-baseline.target
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<?pde version="3.8"?><target name="cdt-baseline" sequenceNumber="8">
+<?pde version="3.8"?><target name="cdt-baseline" sequenceNumber="9">
 <locations>
 <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
 <unit id="org.eclipse.cdt.gnu.build.source.feature.group" version="0.0.0"/>
@@ -50,7 +50,7 @@
 <unit id="org.eclipse.cdt.autotools.source.feature.group" version="0.0.0"/>
 <unit id="org.eclipse.tools.templates.core" version="0.0.0"/>
 <unit id="org.eclipse.tools.templates.ui" version="0.0.0"/>
-<repository location="http://download.eclipse.org/tools/cdt/releases/9.0/r"/>
+<repository location="http://download.eclipse.org/tools/cdt/builds/neon/milestones/ur1-rc4"/>
 </location>
 <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
 <repository location="http://download.eclipse.org/releases/neon"/>