diff --git a/src/MermaidDotNet.Tests/MermaidDotNet.Tests.csproj b/src/MermaidDotNet.Tests/MermaidDotNet.Tests.csproj
index 2c49729..5b64b79 100644
--- a/src/MermaidDotNet.Tests/MermaidDotNet.Tests.csproj
+++ b/src/MermaidDotNet.Tests/MermaidDotNet.Tests.csproj
@@ -10,9 +10,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
-    <PackageReference Include="MSTest.TestAdapter" Version="4.1.0" />
-    <PackageReference Include="MSTest.TestFramework" Version="4.1.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.4.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="4.2.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.2.1" />
     <PackageReference Include="coverlet.collector" Version="6.0.4" />
     <PackageReference Include="coverlet.msbuild" Version="6.0.4" />
   </ItemGroup>