1 files changed, 1 insertions, 1 deletions

diff --git a/src/WixToolset.Core.WindowsInstaller/Validator.cs b/src/WixToolset.Core.WindowsInstaller/Validator.cs
index 72b09ebc..e8117de7 100644
--- a/src/WixToolset.Core.WindowsInstaller/Validator.cs
+++ b/src/WixToolset.Core.WindowsInstaller/Validator.cs
@@ -22,7 +22,7 @@ namespace WixToolset.Core.WindowsInstaller
     /// <summary>
     /// Runs internal consistency evaluators (ICEs) from cub files against a database.
     /// </summary>
-    public sealed class Validator
+    internal sealed class Validator
     {
         private string actionName;
         private StringCollection cubeFiles;