diff --git a/vendor/NetVips/Operation.cs b/vendor/NetVips/Operation.cs
index 1ad3e9d..f846b0d 100644
--- a/vendor/NetVips/Operation.cs
+++ b/vendor/NetVips/Operation.cs
@@ -9,7 +9,7 @@ namespace NetVips;
 public class Operation : VipsObject
 {
     /// <inheritdoc cref="VipsObject"/>
-    private Operation(nint pointer) : base(pointer)
+    internal Operation(nint pointer) : base(pointer)
     {
     }