diff --git a/MyNumberNET_Test/MyNumberNET_Test.csproj b/MyNumberNET_Test/MyNumberNET_Test.csproj
index 64988b6..a4a7cd6 100644
--- a/MyNumberNET_Test/MyNumberNET_Test.csproj
+++ b/MyNumberNET_Test/MyNumberNET_Test.csproj
@@ -13,7 +13,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.10.1" />
     <PackageReference Include="MSTest.TestAdapter" Version="4.4.1" />
-    <PackageReference Include="MSTest.TestFramework" Version="4.4.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="4.5.1" />
     <PackageReference Include="xunit" Version="2.9.3" />
   </ItemGroup>
   <ItemGroup>