diff --git a/releng/download/releases/cdt-lsp-3.1/compositeArtifacts.xml b/releng/download/releases/cdt-lsp-3.1/compositeArtifacts.xml
new file mode 100644
index 00000000000..4189dcfc2aa
--- /dev/null
+++ b/releng/download/releases/cdt-lsp-3.1/compositeArtifacts.xml
@@ -0,0 +1,12 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<?compositeArtifactRepository version='1.0.0'?>
+<repository name='CDT LSP 3.1 Update Site'
+    type='org.eclipse.equinox.internal.p2.artifact.repository.CompositeArtifactRepository' version='1.0.0'>
+  <properties size='1'>
+    <!-- timestamp made with date +%s%3N -->
+    <property name='p2.timestamp' value='1744216575464'/>
+  </properties>
+  <children size='1'>
+    <child location='cdt-lsp-3.1.0'/>
+  </children>
+</repository>
diff --git a/releng/download/releases/cdt-lsp-3.1/compositeContent.xml b/releng/download/releases/cdt-lsp-3.1/compositeContent.xml
new file mode 100644
index 00000000000..12c0e90a576
--- /dev/null
+++ b/releng/download/releases/cdt-lsp-3.1/compositeContent.xml
@@ -0,0 +1,12 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<?compositeMetadataRepository version='1.0.0'?>
+<repository name='CDT LSP 3.1 Update Site'
+    type='org.eclipse.equinox.internal.p2.metadata.repository.CompositeMetadataRepository' version='1.0.0'>
+  <properties size='1'>
+    <!-- timestamp made with date +%s%3N -->
+    <property name='p2.timestamp' value='1744216575464'/>
+  </properties>
+  <children size='1'>
+    <child location='cdt-lsp-3.1.0'/>
+  </children>
+</repository>
diff --git a/releng/download/releases/cdt-lsp-latest/compositeArtifacts.xml b/releng/download/releases/cdt-lsp-latest/compositeArtifacts.xml
index ad515370f8e..eebd77e22db 100644
--- a/releng/download/releases/cdt-lsp-latest/compositeArtifacts.xml
+++ b/releng/download/releases/cdt-lsp-latest/compositeArtifacts.xml
@@ -4,9 +4,9 @@
     type='org.eclipse.equinox.internal.p2.artifact.repository.CompositeArtifactRepository' version='1.0.0'>
   <properties size='1'>
     <!-- timestamp made with date +%s%3N -->
-    <property name='p2.timestamp' value='1741367840116'/>
+    <property name='p2.timestamp' value='1744216575464'/>
   </properties>
   <children size='1'>
-    <child location='../cdt-lsp-3.0'/>
+    <child location='../cdt-lsp-3.1'/>
   </children>
 </repository>
diff --git a/releng/download/releases/cdt-lsp-latest/compositeContent.xml b/releng/download/releases/cdt-lsp-latest/compositeContent.xml
index fbf87b58cfb..2aee6d0a9fa 100644
--- a/releng/download/releases/cdt-lsp-latest/compositeContent.xml
+++ b/releng/download/releases/cdt-lsp-latest/compositeContent.xml
@@ -4,9 +4,9 @@
     type='org.eclipse.equinox.internal.p2.metadata.repository.CompositeMetadataRepository' version='1.0.0'>
   <properties size='1'>
     <!-- timestamp made with date +%s%3N -->
-    <property name='p2.timestamp' value='1741367840116'/>
+    <property name='p2.timestamp' value='1744216575464'/>
   </properties>
   <children size='1'>
-    <child location='../cdt-lsp-3.0'/>
+    <child location='../cdt-lsp-3.1'/>
   </children>
 </repository>
diff --git a/releng/scripts/promote-files-to-download.sh b/releng/scripts/promote-files-to-download.sh
index 649f23edece..93bd2de4419 100755
--- a/releng/scripts/promote-files-to-download.sh
+++ b/releng/scripts/promote-files-to-download.sh
@@ -28,6 +28,7 @@ $ECHO $SSH mkdir -p "${DOWNLOAD}/releases/cdt-lsp-latest/"
 $ECHO $SCP ./releng/download/releases/cdt-lsp-latest/* "${SSHUSER}:${DOWNLOAD}/releases/cdt-lsp-latest/"
 $ECHO $SCP ./releng/download/releases/cdt-lsp-2.0/* "${SSHUSER}:${DOWNLOAD}/releases/cdt-lsp-2.0/"
 $ECHO $SCP ./releng/download/releases/cdt-lsp-3.0/* "${SSHUSER}:${DOWNLOAD}/releases/cdt-lsp-3.0/"
+$ECHO $SCP ./releng/download/releases/cdt-lsp-3.1/* "${SSHUSER}:${DOWNLOAD}/releases/cdt-lsp-3.1/"
 
 # Issue #235 - some of the old archived releases had bad composites. For those
 # ones we started maintaining the files here as it was the easiest way to edit