diff --git a/src/CoreServices/FSEvents.cs b/src/CoreServices/FSEvents.cs
index 6fd765504781..f81edd4c1554 100644
--- a/src/CoreServices/FSEvents.cs
+++ b/src/CoreServices/FSEvents.cs
@@ -41,6 +41,9 @@ public enum FSEventStreamCreateFlags : uint {
 		UseExtendedData = 0x00000040,
 		[SupportedOSPlatform ("macos")]
 		FullHistory = 0x00000080,
+		WithDocId = 0x00000100,
+		[SupportedOSPlatform ("macos26.0")]
+		DeviceState = 0x00000200,
 	}
 
 	// FSEvents.h: typedef UInt32                          FSEventStreamEventFlags;
diff --git a/tests/cecil-tests/Documentation.KnownFailures.txt b/tests/cecil-tests/Documentation.KnownFailures.txt
index 82871f8edcea..32f1db06f55d 100644
--- a/tests/cecil-tests/Documentation.KnownFailures.txt
+++ b/tests/cecil-tests/Documentation.KnownFailures.txt
@@ -2373,9 +2373,11 @@ F:CoreNFC.NFCVasErrorCode.WrongLCField
 F:CoreNFC.NFCVasErrorCode.WrongParameters
 F:CoreNFC.NFCVasMode.Normal
 F:CoreNFC.NFCVasMode.UrlOnly
+F:CoreServices.FSEventStreamCreateFlags.DeviceState
 F:CoreServices.FSEventStreamCreateFlags.FullHistory
 F:CoreServices.FSEventStreamCreateFlags.MarkSelf
 F:CoreServices.FSEventStreamCreateFlags.UseExtendedData
+F:CoreServices.FSEventStreamCreateFlags.WithDocId
 F:CoreServices.FSEventStreamEventFlags.ItemCloned
 F:CoreServices.LSResult.MalformedLocErr
 F:CoreSpotlight.CSIndexErrorCode.MismatchedClientState