diff --git a/CHANGELIST.md b/CHANGELIST.md
index 81e9a61c..261a774e 100644
--- a/CHANGELIST.md
+++ b/CHANGELIST.md
@@ -80,6 +80,7 @@
 - Move SubmissionInfoTool to Core.Utilities
 - Fix build
 - Rename Protection to ProtectionTool
+- Move ProtectionTool to Core.Utilities
 
 ### 3.1.9a (2024-05-21)
 
diff --git a/MPF.Core/ProtectionTool.cs b/MPF.Core/Utilities/ProtectionTool.cs
similarity index 99%
rename from MPF.Core/ProtectionTool.cs
rename to MPF.Core/Utilities/ProtectionTool.cs
index 966b79c8..54ee6dd0 100644
--- a/MPF.Core/ProtectionTool.cs
+++ b/MPF.Core/Utilities/ProtectionTool.cs
@@ -9,7 +9,7 @@ using psxt001z;
 
 #pragma warning disable SYSLIB1045 // Convert to 'GeneratedRegexAttribute'.
 
-namespace MPF.Core
+namespace MPF.Core.Utilities
 {
     public static class ProtectionTool
     {
diff --git a/MPF.Test/Library/ProtectionTests.cs b/MPF.Test/Library/ProtectionTests.cs
index b35c95f7..b24a6f57 100644
--- a/MPF.Test/Library/ProtectionTests.cs
+++ b/MPF.Test/Library/ProtectionTests.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using MPF.Core;
+using MPF.Core.Utilities;
 using Xunit;
 
 namespace MPF.Test.Library