diff --git a/YamlDotNet/Serialization/YamlSerializable.cs b/YamlDotNet/Serialization/YamlSerializable.cs
index 49fc5dcbb..f2fe9594b 100644
--- a/YamlDotNet/Serialization/YamlSerializable.cs
+++ b/YamlDotNet/Serialization/YamlSerializable.cs
@@ -27,7 +27,7 @@ namespace YamlDotNet.Serialization
/// Put this attribute either on serializable types or on the that you want
/// the static analyzer to detect and use.
///
- [AttributeUsage(AttributeTargets.Class, Inherited = false)]
+ [AttributeUsage(AttributeTargets.Class, Inherited = false, AllowMultiple = true)]
public sealed class YamlSerializableAttribute : Attribute
{
///