diff --git a/src/Tests/Tests.fsproj b/src/Tests/Tests.fsproj
index 7bc4955c..19f2fb4c 100644
--- a/src/Tests/Tests.fsproj
+++ b/src/Tests/Tests.fsproj
@@ -39,9 +39,9 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="FSharp.SystemTextJson" Version="1.2.42" />
-    <PackageReference Include="FsUnit" Version="5.6.1" />
+    <PackageReference Include="FsUnit" Version="6.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
-    <PackageReference Include="NUnit" Version="3.14.0" />
+    <PackageReference Include="NUnit" Version="4.0.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
     <PackageReference Include="Suave" Version="2.6.2" />
   </ItemGroup>