diff --git a/TestsInFSharp/TestsInFSharp.fsproj b/TestsInFSharp/TestsInFSharp.fsproj
index adb0fa697..86d4ccb9d 100644
--- a/TestsInFSharp/TestsInFSharp.fsproj
+++ b/TestsInFSharp/TestsInFSharp.fsproj
@@ -8,8 +8,8 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="nunit" Version="3.12.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="3.15.1" />
+    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.2.0" />
   </ItemGroup>
 
diff --git a/TestsInFSharp/UnitTest1.fs b/TestsInFSharp/UnitTest1.fs
index fbd8b9b11..ee1ec31be 100644
--- a/TestsInFSharp/UnitTest1.fs
+++ b/TestsInFSharp/UnitTest1.fs
@@ -1,6 +1,6 @@
 module TestEditor.RandomKeyboardInputsTest
 
-open NUnit.Framework
+open Xunit
 
 open CSharpMath.Editor
 
@@ -67,7 +67,7 @@ let rec private findShortening(kl:MathKeyboardInput list) =
     | None -> kl
     | Some sl -> findShortening sl
 
-[<Test>]
+[<Fact>]
 let ``random inputs don't crash editor``() =
     let results =
         List.init 1000 (fun _ -> test100keypresses())