diff --git a/gendarme-ignore.txt b/gendarme-ignore.txt
index 378edaece..bb1e5aa55 100644
--- a/gendarme-ignore.txt
+++ b/gendarme-ignore.txt
@@ -617,3 +617,7 @@ M: System.Collections.Generic.List`1<Java.Interop.JniSurfacedPeerInfo> Java.Inte
 R: Gendarme.Rules.Concurrency.DoNotUseLockedRegionOutsideMethodRule
 # Looks like Gendarme issue, as there are both Monitor.TryEnter and Monitor.Exit used in this method
 M: System.Boolean Java.Interop.JniRuntime/JniTypeManager::TryRegisterNativeMembers(Java.Interop.JniType,System.Type,System.String)
+
+R: Gendarme.Rules.Performance.AvoidUnsealedConcreteAttributesRule
+# We would like users to be able to derive from this attribute
+T: Java.Interop.JniValueMarshalerAttribute