diff --git a/SabreTools.IO.Extensions.Test/DateTimeExtensionsTests.cs b/SabreTools.IO.Extensions.Test/DateTimeExtensionsTests.cs
index bf75f5d..786b564 100644
--- a/SabreTools.IO.Extensions.Test/DateTimeExtensionsTests.cs
+++ b/SabreTools.IO.Extensions.Test/DateTimeExtensionsTests.cs
@@ -1,5 +1,4 @@
 using System;
-using SabreTools.Core.Tools;
 using Xunit;
 
 namespace SabreTools.IO.Extensions.Test
diff --git a/SabreTools.IO.Extensions/DateTimeExtensions.cs b/SabreTools.IO.Extensions/DateTimeExtensions.cs
index 6241436..86ac9ae 100644
--- a/SabreTools.IO.Extensions/DateTimeExtensions.cs
+++ b/SabreTools.IO.Extensions/DateTimeExtensions.cs
@@ -1,6 +1,6 @@
 using System;
 
-namespace SabreTools.Core.Tools
+namespace SabreTools.IO.Extensions
 {
     public static class DateTimeExtensions
     {