diff --git a/apps/dav/lib/Capabilities.php b/apps/dav/lib/Capabilities.php
index 63f10eab58fe3..c951c261115ce 100644
--- a/apps/dav/lib/Capabilities.php
+++ b/apps/dav/lib/Capabilities.php
@@ -19,7 +19,7 @@ public function __construct(IConfig $config, IAvailabilityCoordinator $coordinat
 	}
 
 	/**
-	 * @return array{dav: array{chunking: string, bulkupload?: string, absence-supported?: bool}}
+	 * @return array{dav: array{chunking: string, bulkupload?: string, absence-supported?: bool, absence-replacement?: bool}}
 	 */
 	public function getCapabilities() {
 		$capabilities = [
@@ -32,6 +32,7 @@ public function getCapabilities() {
 		}
 		if ($this->coordinator->isEnabled()) {
 			$capabilities['dav']['absence-supported'] = true;
+			$capabilities['dav']['absence-replacement'] = true;
 		}
 		return $capabilities;
 	}
diff --git a/apps/dav/openapi.json b/apps/dav/openapi.json
index e212796304d42..cb7dc82c0396e 100644
--- a/apps/dav/openapi.json
+++ b/apps/dav/openapi.json
@@ -40,6 +40,9 @@
                             },
                             "absence-supported": {
                                 "type": "boolean"
+                            },
+                            "absence-replacement": {
+                                "type": "boolean"
                             }
                         }
                     }
diff --git a/apps/dav/tests/unit/CapabilitiesTest.php b/apps/dav/tests/unit/CapabilitiesTest.php
index 4a2d7e8dba692..e99f7b8da5f77 100644
--- a/apps/dav/tests/unit/CapabilitiesTest.php
+++ b/apps/dav/tests/unit/CapabilitiesTest.php
@@ -68,6 +68,7 @@ public function testGetCapabilitiesWithAbsence(): void {
 			'dav' => [
 				'chunking' => '1.0',
 				'absence-supported' => true,
+				'absence-replacement' => true,
 			],
 		];
 		$this->assertSame($expected, $capabilities->getCapabilities());