diff --git a/ClosedXML_Tests/ClosedXML_Tests.csproj b/ClosedXML_Tests/ClosedXML_Tests.csproj
index c6cd829..4f2ab7a 100644
--- a/ClosedXML_Tests/ClosedXML_Tests.csproj
+++ b/ClosedXML_Tests/ClosedXML_Tests.csproj
@@ -33,9 +33,10 @@
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net46' or '$(TargetFramework)' == 'netcoreapp2.0' ">
-    <PackageReference Include="MSTest.TestAdapter" Version="1.2.0" />
-    <PackageReference Include="MSTest.TestFramework" Version="1.2.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.6.1" />
+    <PackageReference Include="Microsoft.CSharp" Version="4.4.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="1.2.1" />
+    <PackageReference Include="MSTest.TestFramework" Version="1.2.1" />
   </ItemGroup>
 
   <ItemGroup>
@@ -43,19 +44,11 @@
     <PackageReference Include="NUnit3TestAdapter" Version="3.10.0" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp2.0'">
-    <PackageReference Include="Microsoft.CSharp" Version="4.4.0" />
-  </ItemGroup>
-
   <ItemGroup Condition="'$(TargetFramework)' == 'net40'">
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="WindowsBase" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'net46'">
-    <PackageReference Include="Microsoft.CSharp" Version="4.4.0" />
-  </ItemGroup>
-
   <ItemGroup>
     <None Include="..\.editorconfig" Link=".editorconfig" />
   </ItemGroup>