diff --git a/cje-production/buildproperties.txt b/cje-production/buildproperties.txt
index 2d40108871c..de2e0843b17 100644
--- a/cje-production/buildproperties.txt
+++ b/cje-production/buildproperties.txt
@@ -48,7 +48,7 @@ PREVIOUS_RELEASE_ID="R-4.36-202505281830"
 BUILDTOOLS_REPO="https://download.eclipse.org/eclipse/updates/buildtools/snapshots"
 WEBTOOLS_REPO="https://download.eclipse.org/webtools/downloads/drops/R3.37.0/R-3.37.0-20250303081219/repositoryunittests/"
 BASEBUILDER_DIR="tmp/org.eclipse.releng.basebuilder"
-ECLIPSE_RUN_REPO="https://download.eclipse.org/eclipse/updates/4.37-I-builds/"
+ECLIPSE_RUN_REPO="https://download.eclipse.org/eclipse/updates/4.37/R-4.37-202509050730/"
 
 #Maven parameters
 JAVA_DOC_TOOL="-Declipse.javadoc=/opt/tools/java/openjdk/jdk-17/latest/bin/javadoc"
diff --git a/eclipse-platform-parent/pom.xml b/eclipse-platform-parent/pom.xml
index f81f1ccc940..04cb7f8bc12 100644
--- a/eclipse-platform-parent/pom.xml
+++ b/eclipse-platform-parent/pom.xml
@@ -70,7 +70,7 @@
     <cbi-plugins.version>1.5.2</cbi-plugins.version>
     <surefire.version>3.5.3</surefire.version>
 
-    <eclipse-sdk-repo>https://download.eclipse.org/eclipse/updates/${releaseVersion}-I-builds/</eclipse-sdk-repo>
+    <eclipse-sdk-repo>https://download.eclipse.org/eclipse/updates/4.37/R-4.37-202509050730/</eclipse-sdk-repo>
 
     <!--  
       The tycho-eclipserun-plugin will create its instance of Eclipse from this
@@ -85,7 +85,7 @@
     <tycho-snapshot-repo.url>https://repo.eclipse.org/content/repositories/tycho-snapshots/</tycho-snapshot-repo.url>
 
     <eclipse-snapshots-repo.url>https://repo.eclipse.org/content/repositories/eclipse-snapshots/</eclipse-snapshots-repo.url>
-    <cbi-ecj-version>[3.39,)</cbi-ecj-version>
+    <cbi-ecj-version>3.43.0</cbi-ecj-version>
 
     <!--
       repo for released versions of CBI. Note, we intentionally use as specific a repo as possible.
@@ -123,7 +123,7 @@
     <compare-version-with-baselines.skip>true</compare-version-with-baselines.skip>
     <version.baseline.check.skip>${compare-version-with-baselines.skip}</version.baseline.check.skip> <!-- Allows projects to overwrite the value set on the CLI to skip the check in any case. -->
     <tycho.baseline.replace>all</tycho.baseline.replace>
-    <previous-release.baseline>https://download.eclipse.org/eclipse/updates/4.36/R-4.36-202505281830/</previous-release.baseline>
+    <previous-release.baseline>https://download.eclipse.org/eclipse/updates/4.37/R-4.37-202509050730/</previous-release.baseline>
 
     <!--
       Declaration of properties that contribute to the arg line for the tycho-surefire-plugin.