diff --git a/src/WCharT.Net.Tests/WCharT.Net.Tests.csproj b/src/WCharT.Net.Tests/WCharT.Net.Tests.csproj
index 0da9627..14816a3 100644
--- a/src/WCharT.Net.Tests/WCharT.Net.Tests.csproj
+++ b/src/WCharT.Net.Tests/WCharT.Net.Tests.csproj
@@ -7,8 +7,8 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
-    <PackageReference Include="MSTest.TestAdapter" Version="3.9.2" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.9.2" />
+    <PackageReference Include="MSTest.TestAdapter" Version="4.0.2" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.0.2" />
   </ItemGroup>
 
   <ItemGroup>