diff --git a/SharpNBT/Events/TagEventArgs.cs b/SharpNBT/Events/TagEventArgs.cs
index 81b70ce..a104fde 100644
--- a/SharpNBT/Events/TagEventArgs.cs
+++ b/SharpNBT/Events/TagEventArgs.cs
@@ -6,6 +6,7 @@ namespace SharpNBT
     /// <summary>
     /// Arguments supplied with tag-related events.
     /// </summary>
+    [PublicAPI]
     public class TagEventArgs : EventArgs
     {
         /// <summary>
diff --git a/SharpNBT/Events/TagHandledEventArgs.cs b/SharpNBT/Events/TagHandledEventArgs.cs
index 7bdf9f4..e842893 100644
--- a/SharpNBT/Events/TagHandledEventArgs.cs
+++ b/SharpNBT/Events/TagHandledEventArgs.cs
@@ -8,6 +8,7 @@ namespace SharpNBT
     /// <summary>
     /// Arguments supplied when an event that can be handled by an event subscriber.
     /// </summary>
+    [PublicAPI]
     public class TagHandledEventArgs : HandledEventArgs
     {
         /// <summary>