diff --git a/Directory.Packages.props b/Directory.Packages.props
index 13e1ebab6..578c8be2f 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -28,6 +28,7 @@
     <PackageVersion Include="Microsoft.VisualStudio.Composition" Version="17.7.40" />
     <PackageVersion Include="Microsoft.Xaml.Behaviors.Wpf" Version="1.1.77" />
     <PackageVersion Include="Mono.Cecil" Version="0.11.5" />
+    <PackageVersion Include="NaturalSort.Extension" Version="4.2.0" />
     <PackageVersion Include="NSubstitute" Version="5.1.0" />
     <PackageVersion Include="NSubstitute.Analyzers.CSharp" Version="1.0.17" />
     <PackageVersion Include="NUnit" Version="4.1.0" />
diff --git a/ILSpy/ILSpy.csproj b/ILSpy/ILSpy.csproj
index 5e8184796..93feab3a1 100644
--- a/ILSpy/ILSpy.csproj
+++ b/ILSpy/ILSpy.csproj
@@ -48,6 +48,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Composition" />
     <PackageReference Include="DataGridExtensions" />
     <PackageReference Include="Microsoft.Xaml.Behaviors.Wpf" />
+    <PackageReference Include="NaturalSort.Extension" />
     <PackageReference Include="TomsToolbox.Wpf.Styles" />
   </ItemGroup>
 
diff --git a/ILSpy/TreeNodes/NaturalStringComparer.cs b/ILSpy/TreeNodes/NaturalStringComparer.cs
index 016b7758f..dd13ec087 100644
--- a/ILSpy/TreeNodes/NaturalStringComparer.cs
+++ b/ILSpy/TreeNodes/NaturalStringComparer.cs
@@ -16,9 +16,13 @@
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 // DEALINGS IN THE SOFTWARE.
 
+using System;
+using System.Collections;
 using System.Collections.Generic;
 using System.Runtime.InteropServices;
 
+using NaturalSort.Extension;
+
 namespace ICSharpCode.ILSpy.TreeNodes
 {
 	[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1060:MovePInvokesToNativeMethodsClass")]
@@ -27,7 +31,8 @@ namespace ICSharpCode.ILSpy.TreeNodes
 		[DllImport("shlwapi.dll", CharSet = CharSet.Unicode)]
 		static extern int StrCmpLogicalW(string psz1, string psz2);
 
-		public static readonly NaturalStringComparer Instance = new NaturalStringComparer();
+		// public static readonly NaturalStringComparer Instance = new NaturalStringComparer();
+		public static readonly IComparer<string> Instance = StringComparison.OrdinalIgnoreCase.WithNaturalSort();
 
 		public int Compare(string x, string y)
 		{