diff --git a/releng/CDT.setup b/releng/CDT.setup
index 0e738a44309..5e9af24e953 100644
--- a/releng/CDT.setup
+++ b/releng/CDT.setup
@@ -282,7 +282,7 @@
           <repository
               url="https://download.eclipse.org/cbi/updates/license/"/>
           <repository
-              url="https://download.eclipse.org/eclipse/updates/4.15milestones/S-4.15M3-202002191800/"/>
+              url="https://download.eclipse.org/eclipse/updates/4.15milestones/S-4.15RC1-202002261800/"/>
           <repository
               url="https://download.eclipse.org/egit/updates/"/>
           <repository
diff --git a/releng/org.eclipse.cdt.target/cdt.target b/releng/org.eclipse.cdt.target/cdt.target
index 65780a868da..146573ced07 100644
--- a/releng/org.eclipse.cdt.target/cdt.target
+++ b/releng/org.eclipse.cdt.target/cdt.target
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde version="3.8"?>
-<target name="cdt" sequenceNumber="74">
+<target name="cdt" sequenceNumber="75">
 <locations>
 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 <unit id="org.eclipse.license.feature.group" version="0.0.0"/>
@@ -11,7 +11,7 @@
 <unit id="org.eclipse.jdt.annotation" version="0.0.0"/>
 <unit id="org.eclipse.sdk.feature.group" version="0.0.0"/>
 <unit id="org.eclipse.test.feature.group" version="0.0.0"/>
-<repository location="https://download.eclipse.org/eclipse/updates/4.15milestones/S-4.15M3-202002191800/"/>
+<repository location="https://download.eclipse.org/eclipse/updates/4.15milestones/S-4.15RC1-202002261800/"/>
 </location>
 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 <unit id="org.eclipse.linuxtools.docker.feature.feature.group" version="0.0.0"/>