diff --git a/src/FormatXML.Tests/FormatXML.Tests.csproj b/src/FormatXML.Tests/FormatXML.Tests.csproj
index 493abe7..c5feb05 100644
--- a/src/FormatXML.Tests/FormatXML.Tests.csproj
+++ b/src/FormatXML.Tests/FormatXML.Tests.csproj
@@ -11,7 +11,7 @@
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     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.7.2" />
-    <PackageReference Include="MSTest.TestFramework" Version="3.7.2" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.8.3" />
     <PackageReference Include="coverlet.collector" Version="6.0.4" />
     <PackageReference Include="xunit" Version="2.9.3" />
   </ItemGroup>