diff --git a/3rdparty b/3rdparty
index ec0e643aab90b..37a4d20db5cad 160000
--- a/3rdparty
+++ b/3rdparty
@@ -1 +1 @@
-Subproject commit ec0e643aab90b8366fe1267b7068ed6e2b95532c
+Subproject commit 37a4d20db5cad99082d636bab63dc1c8f4c481a6
diff --git a/apps/dav/lib/Connector/Sabre/Directory.php b/apps/dav/lib/Connector/Sabre/Directory.php
index 1634c512804b3..6bec57c50fbb3 100644
--- a/apps/dav/lib/Connector/Sabre/Directory.php
+++ b/apps/dav/lib/Connector/Sabre/Directory.php
@@ -472,7 +472,12 @@ public function moveInto($targetName, $fullSourcePath, INode $sourceNode) {
 	}
 
 	#[\Override]
-	public function copyInto($targetName, $sourcePath, INode $sourceNode) {
+	public function copyInto($targetName, $sourcePath, INode $sourceNode, int $depth): bool {
+		if ($sourceNode instanceof Directory && $depth !== \Sabre\DAV\Server::DEPTH_INFINITY) {
+			// Fall back to sabre default copyNode() implementation
+			return false;
+		}
+
 		if ($sourceNode instanceof File || $sourceNode instanceof Directory) {
 			try {
 				$destinationPath = $this->getPath() . '/' . $targetName;
diff --git a/apps/dav/lib/Connector/Sabre/ObjectTree.php b/apps/dav/lib/Connector/Sabre/ObjectTree.php
index 0feb7032b8507..96121a1450f4b 100644
--- a/apps/dav/lib/Connector/Sabre/ObjectTree.php
+++ b/apps/dav/lib/Connector/Sabre/ObjectTree.php
@@ -21,18 +21,12 @@
 use OCP\Files\StorageInvalidException;
 use OCP\Files\StorageNotAvailableException;
 use OCP\Lock\LockedException;
+use Sabre\DAV\INode;
+use Sabre\DAV\Server;
 
 class ObjectTree extends CachingTree {
-
-	/**
-	 * @var View
-	 */
-	protected $fileView;
-
-	/**
-	 * @var IMountManager
-	 */
-	protected $mountManager;
+	protected View $fileView;
+	protected IMountManager $mountManager;
 
 	/**
 	 * Creates the object
@@ -55,14 +49,13 @@ public function init(\Sabre\DAV\INode $rootNode, View $view, IMountManager $moun
 	 * Returns the INode object for the requested path
 	 *
 	 * @param string $path
-	 * @return \Sabre\DAV\INode
 	 * @throws InvalidPath
 	 * @throws \Sabre\DAV\Exception\Locked
 	 * @throws \Sabre\DAV\Exception\NotFound
 	 * @throws \Sabre\DAV\Exception\ServiceUnavailable
 	 */
 	#[\Override]
-	public function getNodeForPath($path) {
+	public function getNodeForPath($path): INode {
 		if (!$this->fileView) {
 			throw new \Sabre\DAV\Exception\ServiceUnavailable('filesystem not setup');
 		}
@@ -154,7 +147,7 @@ public function getNodeForPath($path) {
 	 * @return void
 	 */
 	#[\Override]
-	public function copy($sourcePath, $destinationPath) {
+	public function copy($sourcePath, $destinationPath, int $depth = Server::DEPTH_INFINITY): void {
 		if (!$this->fileView) {
 			throw new \Sabre\DAV\Exception\ServiceUnavailable('filesystem not setup');
 		}
@@ -170,7 +163,13 @@ public function copy($sourcePath, $destinationPath) {
 		}
 
 		// this will trigger existence check
-		$this->getNodeForPath($sourcePath);
+		$sourceNode = $this->getNodeForPath($sourcePath);
+
+		if ($sourceNode instanceof Directory && $depth !== Server::DEPTH_INFINITY) {
+			// Fallback to sabre slow default implementation with $depth support.
+			parent::copy($sourcePath, $destinationPath, $depth);
+			return;
+		}
 
 		[$destinationDir, $destinationName] = \Sabre\Uri\split($destinationPath);
 		try {
diff --git a/apps/dav/lib/ExampleContentFiles/exampleContact.vcf b/apps/dav/lib/ExampleContentFiles/exampleContact.vcf
index c58c949d0db6c..95c3310052d0c 100644
--- a/apps/dav/lib/ExampleContentFiles/exampleContact.vcf
+++ b/apps/dav/lib/ExampleContentFiles/exampleContact.vcf
@@ -1,6 +1,6 @@
 BEGIN:VCARD
 VERSION:3.0
-PRODID:-//Sabre//Sabre VObject 4.5.6//EN
+PRODID:-//Sabre//Sabre VObject 4.6.1//EN
 UID:cffff367-4580-4e01-8b6d-f91e95ce7e92
 FN:Leon Green
 ADR;TYPE=HOME:;;123 Street Street;City;State;;Country
diff --git a/apps/dav/tests/unit/test_fixtures/example-event-default-expected.ics b/apps/dav/tests/unit/test_fixtures/example-event-default-expected.ics
index 09606ca5ee4d9..4d523f6d64b67 100644
--- a/apps/dav/tests/unit/test_fixtures/example-event-default-expected.ics
+++ b/apps/dav/tests/unit/test_fixtures/example-event-default-expected.ics
@@ -1,6 +1,6 @@
 BEGIN:VCALENDAR
 VERSION:2.0
-PRODID:-//Sabre//Sabre VObject 4.5.6//EN
+PRODID:-//Sabre//Sabre VObject 4.6.1//EN
 CALSCALE:GREGORIAN
 BEGIN:VEVENT
 UID:RANDOM-UID
diff --git a/tests/data/ics/event-builder-complete.ics b/tests/data/ics/event-builder-complete.ics
index 65fe8e6cf1328..29d5398b29cb7 100644
--- a/tests/data/ics/event-builder-complete.ics
+++ b/tests/data/ics/event-builder-complete.ics
@@ -1,6 +1,6 @@
 BEGIN:VCALENDAR
 VERSION:2.0
-PRODID:-//Sabre//Sabre VObject 4.5.6//EN
+PRODID:-//Sabre//Sabre VObject 4.6.1//EN
 CALSCALE:GREGORIAN
 BEGIN:VEVENT
 UID:event-uid-123
diff --git a/tests/data/ics/event-builder-without-attendees.ics b/tests/data/ics/event-builder-without-attendees.ics
index fad48caa3a9e8..1823117a2b43c 100644
--- a/tests/data/ics/event-builder-without-attendees.ics
+++ b/tests/data/ics/event-builder-without-attendees.ics
@@ -1,6 +1,6 @@
 BEGIN:VCALENDAR
 VERSION:2.0
-PRODID:-//Sabre//Sabre VObject 4.5.6//EN
+PRODID:-//Sabre//Sabre VObject 4.6.1//EN
 CALSCALE:GREGORIAN
 BEGIN:VEVENT
 UID:event-uid-123
diff --git a/tests/data/ics/free-busy-request.ics b/tests/data/ics/free-busy-request.ics
index dd01d35b67131..c45f94bb01c27 100644
--- a/tests/data/ics/free-busy-request.ics
+++ b/tests/data/ics/free-busy-request.ics
@@ -1,6 +1,6 @@
 BEGIN:VCALENDAR
 VERSION:2.0
-PRODID:-//Sabre//Sabre VObject 4.5.6//EN
+PRODID:-//Sabre//Sabre VObject 4.6.1//EN
 CALSCALE:GREGORIAN
 METHOD:REQUEST
 BEGIN:VFREEBUSY
diff --git a/tests/lib/Calendar/ManagerTest.php b/tests/lib/Calendar/ManagerTest.php
index ce7ce113ce8bd..007a492e4bdf2 100644
--- a/tests/lib/Calendar/ManagerTest.php
+++ b/tests/lib/Calendar/ManagerTest.php
@@ -981,7 +981,7 @@ private function getFreeBusyResponse(): string {
 	<cal:request-status>2.0;Success</cal:request-status>
 	<cal:calendar-data>BEGIN:VCALENDAR
 VERSION:2.0
-PRODID:-//Sabre//Sabre VObject 4.5.6//EN
+PRODID:-//Sabre//Sabre VObject 4.6.1//EN
 CALSCALE:GREGORIAN
 METHOD:REPLY
 BEGIN:VFREEBUSY
@@ -1004,7 +1004,7 @@ private function getFreeBusyResponse(): string {
 	<cal:request-status>2.0;Success</cal:request-status>
 	<cal:calendar-data>BEGIN:VCALENDAR
 VERSION:2.0
-PRODID:-//Sabre//Sabre VObject 4.5.6//EN
+PRODID:-//Sabre//Sabre VObject 4.6.1//EN
 CALSCALE:GREGORIAN
 METHOD:REPLY
 BEGIN:VFREEBUSY
@@ -1025,7 +1025,7 @@ private function getFreeBusyResponse(): string {
 	<cal:request-status>2.0;Success</cal:request-status>
 	<cal:calendar-data>BEGIN:VCALENDAR
 VERSION:2.0
-PRODID:-//Sabre//Sabre VObject 4.5.6//EN
+PRODID:-//Sabre//Sabre VObject 4.6.1//EN
 CALSCALE:GREGORIAN
 METHOD:REPLY
 BEGIN:VFREEBUSY