diff --git a/cje-production/buildproperties.txt b/cje-production/buildproperties.txt
index 437a5bc15c8..cd71c854e9d 100644
--- a/cje-production/buildproperties.txt
+++ b/cje-production/buildproperties.txt
@@ -47,12 +47,12 @@ API_FREEZE_REF_LABEL=""
 # Otherwise set to a blank space
 FREEZE_PARAMS=" "
 
-PREVIOUS_RELEASE_VER="4.33RC2"
+PREVIOUS_RELEASE_VER="4.33RC2a"
 PREVIOUS_RELEASE_REPO_ID="4.33-I-builds"
 #build id for getting repo
-BASEBUILD_ID="I20240828-1820"
+BASEBUILD_ID="I20240903-0240"
 #release id for downloading eclipse
-PREVIOUS_RELEASE_ID="S-4.33RC2-202408281820"
+PREVIOUS_RELEASE_ID="S-4.33RC2a-202409030240"
 
 BUILDTOOLS_REPO="https://download.eclipse.org/eclipse/updates/buildtools/"
 WEBTOOLS_REPO="https://download.eclipse.org/webtools/downloads/drops/R3.33.0/R-3.33.0-20240304165142/repositoryunittests/"
diff --git a/eclipse-platform-parent/pom.xml b/eclipse-platform-parent/pom.xml
index 11ab066c740..8538a723c5e 100644
--- a/eclipse-platform-parent/pom.xml
+++ b/eclipse-platform-parent/pom.xml
@@ -127,7 +127,7 @@
     
     <compare-version-with-baselines.skip>true</compare-version-with-baselines.skip>
     <tycho.baseline.replace>all</tycho.baseline.replace>
-    <previous-release.baseline>https://download.eclipse.org/eclipse/updates/4.33-I-builds/I20240828-1820/</previous-release.baseline>
+    <previous-release.baseline>https://download.eclipse.org/eclipse/updates/4.33-I-builds/I20240903-0240/</previous-release.baseline>
 
     <!--
       Declaration of properties that contribute to the arg line for the tycho-surefire-plugin.
diff --git a/eclipse.platform.releng.tychoeclipsebuilder/eclipse-junit-tests/src/main/resources/equinoxp2tests.properties b/eclipse.platform.releng.tychoeclipsebuilder/eclipse-junit-tests/src/main/resources/equinoxp2tests.properties
index a7ea83f6690..852fa99a6f3 100644
--- a/eclipse.platform.releng.tychoeclipsebuilder/eclipse-junit-tests/src/main/resources/equinoxp2tests.properties
+++ b/eclipse.platform.releng.tychoeclipsebuilder/eclipse-junit-tests/src/main/resources/equinoxp2tests.properties
@@ -5,10 +5,10 @@ org.eclipse.equinox.p2.reconciler.tests.platform.archive.linux-x86_64=\${basedir
 org.eclipse.equinox.p2.reconciler.tests.platform.archive.win32-x86_64=\${basedir}\\\\eclipse-platform-${buildId}-win32-x86_64.zip
 org.eclipse.equinox.p2.reconciler.tests.platform.archive.macosx-x86_64=\${basedir}/eclipse-platform-${buildId}-macosx-cocoa-x86_64.dmg
 
-org.eclipse.equinox.p2.reconciler.tests.lastrelease.platform.archive.linux-x86_64=\${basedir}/eclipse-platform-4.33RC2-linux-gtk-x86_64.tar.gz
-org.eclipse.equinox.p2.reconciler.tests.lastrelease.platform.archive.win32-x86_64=\${basedir}\\\\eclipse-platform-4.33RC2-win32-x86_64.zip
-org.eclipse.equinox.p2.reconciler.tests.lastrelease.platform.archive.macosx-x86_64=\${basedir}/eclipse-platform-4.33RC2-macosx-cocoa-x86_64.dmg
+org.eclipse.equinox.p2.reconciler.tests.lastrelease.platform.archive.linux-x86_64=\${basedir}/eclipse-platform-4.33RC2a-linux-gtk-x86_64.tar.gz
+org.eclipse.equinox.p2.reconciler.tests.lastrelease.platform.archive.win32-x86_64=\${basedir}\\\\eclipse-platform-4.33RC2a-win32-x86_64.zip
+org.eclipse.equinox.p2.reconciler.tests.lastrelease.platform.archive.macosx-x86_64=\${basedir}/eclipse-platform-4.33RC2a-macosx-cocoa-x86_64.dmg
 
 org.eclipse.equinox.p2.tests.current.build.repo=https://download.eclipse.org/eclipse/updates/${eclipseStreamMajor}.${eclipseStreamMinor}-${buildType}-builds/${buildId}
-org.eclipse.equinox.p2.tests.last.release.build.repo=https://download.eclipse.org/eclipse/updates/4.33-I-builds/I20240828-1820/
+org.eclipse.equinox.p2.tests.last.release.build.repo=https://download.eclipse.org/equinox/drops/S-4.33RC2a-202409030240/
 
diff --git a/eclipse.platform.releng.tychoeclipsebuilder/eclipse-junit-tests/src/main/resources/label.properties b/eclipse.platform.releng.tychoeclipsebuilder/eclipse-junit-tests/src/main/resources/label.properties
index 5000393fbd2..c389e5e9790 100644
--- a/eclipse.platform.releng.tychoeclipsebuilder/eclipse-junit-tests/src/main/resources/label.properties
+++ b/eclipse.platform.releng.tychoeclipsebuilder/eclipse-junit-tests/src/main/resources/label.properties
@@ -5,4 +5,4 @@ buildId=${buildId}
 # such as "4.5" instead of "4.5.0".
 eclipseStream=${releaseNumberSDK}
 # similar for previous release version
-previousReleaseVersion=4.33RC2
\ No newline at end of file
+previousReleaseVersion=4.33RC2a
\ No newline at end of file
diff --git a/eclipse.platform.releng.tychoeclipsebuilder/eclipse-junit-tests/src/main/scripts/getPreviousRelease.sh b/eclipse.platform.releng.tychoeclipsebuilder/eclipse-junit-tests/src/main/scripts/getPreviousRelease.sh
index bb4bc823fdc..2bd0e6329ea 100755
--- a/eclipse.platform.releng.tychoeclipsebuilder/eclipse-junit-tests/src/main/scripts/getPreviousRelease.sh
+++ b/eclipse.platform.releng.tychoeclipsebuilder/eclipse-junit-tests/src/main/scripts/getPreviousRelease.sh
@@ -7,9 +7,9 @@
 
 
 mkdir -p workarea/${buildId}/eclipse-testing
-cp /home/files/buildzips/oxygen/R/S-4.33RC2-202408281820//eclipse-platform-4.33-linux-gtk-x86_64.tar.gz ./workarea/${buildId}/eclipse-testing/platformLocation/
+cp /home/files/buildzips/oxygen/R/S-4.33RC2a-202409030240//eclipse-platform-4.33-linux-gtk-x86_64.tar.gz ./workarea/${buildId}/eclipse-testing/platformLocation/
 
-cp /home/files/buildzips/oxygen/R/S-4.33RC2-202408281820//eclipse-SDK-4.33-linux-gtk-x86_64.tar.gz ./workarea/${buildId}/eclipse-testing/
+cp /home/files/buildzips/oxygen/R/S-4.33RC2a-202409030240//eclipse-SDK-4.33-linux-gtk-x86_64.tar.gz ./workarea/${buildId}/eclipse-testing/
 
 cp eclipse-junit-tests-${buildId}.zip workarea/${buildId}/eclipse-testing/
 
diff --git a/production/testScripts/configuration/streamSpecific.properties b/production/testScripts/configuration/streamSpecific.properties
index 7986cc4d9d7..0406d799255 100644
--- a/production/testScripts/configuration/streamSpecific.properties
+++ b/production/testScripts/configuration/streamSpecific.properties
@@ -11,16 +11,16 @@ streamSpecificPropertiesTitle="Properties for 4.34.0 builds and tests"
 # stable version of Eclipse, that is used, for example, for it's p2
 # director, etc., so that "running the tests" is not actually using
 # the "just built" versions.
-previousReleaseLocation=https://${DOWNLOAD_HOST}/eclipse/downloads/drops4/S-4.33RC2-202408281820/
+previousReleaseLocation=https://${DOWNLOAD_HOST}/eclipse/downloads/drops4/S-4.33RC2a-202409030240/
 # version here is "build label" ... in general form, the "middle" of archive name,
 # such as  "eclipse-platform-${previousReleaseVersion}-linux-gtk-x86_64.tar.gz
 # Also used used in p2 testing?
-previousReleaseVersion=4.33RC2
+previousReleaseVersion=4.33RC2a
 # This is last segment of last release repo, such as in
 #  http://${ARCHIVE_HOST}/eclipse/updates/${previousReleaseVersion}
 # NOTE: I am assuming the "composite" repo is suitable for p2. In theory,
 # they might want the simple repo, such as at 4.4/R-4.4.1-201409250400
-previousReleaseVersionRepo=4.33RC2
+previousReleaseVersionRepo=4.33RC2a
 
 # Note: API tests needs the _base_ of previous release, and also the previous service release
 # Bug 378587 - update releng tests (data) to go work against previous release
@@ -34,12 +34,12 @@ apiTestsPreviousRefererenceWin32Filename=obsoleteAndNotUsed
 # baselinePerf=true
 # are specified. The baselinePerf will often be the same as "previous release", but
 # not necessarily, so is not hard coded in assumptions.
-baselinePerfLocation=https://${DOWNLOAD_HOST}/eclipse/downloads/drops4/S-4.33RC2-202408281820
+baselinePerfLocation=https://${DOWNLOAD_HOST}/eclipse/downloads/drops4/S-4.33RC2a-202409030240
 # NOTE: value must match baselineCode in testScripts/updateTestResultsPages.sh
-baselinePerfVersion=S-4.33RC2-202408281820
+baselinePerfVersion=S-4.33RC2a-202409030240
 # TODO: could/should eventually "compute" label, from full version?
 baselinePerfVersionLabel=4.33
-baselinePerfBuildId=I20240828-1820
+baselinePerfBuildId=I20240903-0240
 
 # We currently set here, but would be better to compute this value 
 # by peeking in the "to be tested" tar file. 
diff --git a/production/testScripts/updateTestResultsPages.sh b/production/testScripts/updateTestResultsPages.sh
index f20eaa8d0c3..42c267bf9d8 100755
--- a/production/testScripts/updateTestResultsPages.sh
+++ b/production/testScripts/updateTestResultsPages.sh
@@ -295,7 +295,7 @@ then
 
   # TODO: avoid this hard coding of baseline value
   # NOTE: value must start with a letter match baselinePerfVersion in testScripts/configuration/streamSpecific.properties
-  baselineCode="S-4.33RC2-202408281820"
+  baselineCode="S-4.33RC2a-202409030240"
   # to get time stamp, first remove initial IMN:
   baselineForBuildSuffix=${buildId/[IMN]/}
   #Then remove final '-' in build id