diff --git a/.editorconfig b/.editorconfig
index 7d62b58f..40cdffa5 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -79,7 +79,9 @@ dotnet_diagnostic.CA1845.severity = none        # CA1845: Use span-based 'string
 dotnet_diagnostic.CA1846.severity = none        # CA1846: Prefer 'AsSpan' over 'Substring'
 dotnet_diagnostic.CA1847.severity = none        # CA1847: Use char literal for a single character lookup
 dotnet_diagnostic.CA1852.severity = suggestion  # CA1852: Seal internal types
+dotnet_diagnostic.CA1854.severity = suggestion  # CA1854: Prefer the 'IDictionary.TryGetValue(TKey, out TValue)' method
 dotnet_diagnostic.CA1859.severity = suggestion  # CA1859: Use concrete types when possible for improved performance
+dotnet_diagnostic.CA1861.severity = suggestion  # CA1861: Avoid constant arrays as arguments
 dotnet_diagnostic.CA2101.severity = suggestion  # CA2101: Specify marshaling for P/Invoke string arguments
 dotnet_diagnostic.CA2201.severity = none        # CA2201: Do not raise reserved exception types
 dotnet_diagnostic.CA2208.severity = suggestion  # CA2208: Instantiate argument exceptions correctly
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 808c3ee1..09c0377e 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -34,8 +34,8 @@ jobs:
       with:
         name: packages
         path: Package/Release/Packages
-    - name: Test (net452)
-      run: ./make.ps1 -frameworks net452 test-all
+    - name: Test (net462)
+      run: ./make.ps1 -frameworks net462 test-all
       shell: pwsh
     - name: Test (netcoreapp2.1)
       run: ./make.ps1 -frameworks netcoreapp2.1 test-all
diff --git a/Build.proj b/Build.proj
index 6a5e08b6..a265d1e7 100644
--- a/Build.proj
+++ b/Build.proj
@@ -108,7 +108,7 @@
           Outputs="$(PackageDir)\DynamicLanguageRuntime.$(PackageVersion).zip">
     <ItemGroup>
       <ZipFiles Include="$(StageDir)\**\*.dll;$(StageDir)\**\*.xml;$(StageDir)\README.md;$(StageDir)\LICENSE"
-                Exclude="$(StageDir)\netcoreapp2.1\**\*;$(StageDir)\net7.0*\**\*" />
+                Exclude="$(StageDir)\netcoreapp2.1\*;$(StageDir)\net462\*;$(StageDir)\net7.0\*;$(StageDir)\net8.0\*" />
     </ItemGroup>
     <Message Text="$(ZipFiles)" />
     <Zip Files="@(ZipFiles)" ZipFileName="$(PackageDir)\DynamicLanguageRuntime.$(PackageVersion).zip" WorkingDirectory="$(StageDir)"/>
diff --git a/Package/nuget/DynamicLanguageRuntime.nuspec b/Package/nuget/DynamicLanguageRuntime.nuspec
index dc0fedbf..0f84a4c8 100644
--- a/Package/nuget/DynamicLanguageRuntime.nuspec
+++ b/Package/nuget/DynamicLanguageRuntime.nuspec
@@ -33,9 +33,9 @@
     </dependencies>
   </metadata>
   <files>
-    <file src="**\*.dll" target="lib" exclude="netcoreapp2.1\**\*;net7.0*\**\*" />
-    <file src="**\*.pdb" target="lib" exclude="netcoreapp2.1\**\*;net7.0*\**\*" />
-    <file src="**\*.xml" target="lib" exclude="netcoreapp2.1\**\*;net7.0*\**\*" />
+    <file src="**\*.dll" target="lib" exclude="netcoreapp2.1\*;net462\*;net7.0\*;net8.0\*" />
+    <file src="**\*.pdb" target="lib" exclude="netcoreapp2.1\*;net462\*;net7.0\*;net8.0\*" />
+    <file src="**\*.xml" target="lib" exclude="netcoreapp2.1\*;net462\*;net7.0\*;net8.0\*" />
     <file src="README.md;LICENSE" />
   </files>
 </package>
diff --git a/Tests/Metadata/Metadata.csproj b/Tests/Metadata/Metadata.csproj
index 2291ace4..8bb75909 100644
--- a/Tests/Metadata/Metadata.csproj
+++ b/Tests/Metadata/Metadata.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net452;netcoreapp2.1;netcoreapp3.1;net6.0</TargetFrameworks>
+    <TargetFrameworks>net462;netcoreapp2.1;netcoreapp3.1;net6.0</TargetFrameworks>
     <!-- EOL netcoreapp2.1 is used to test netstandard2.0 assemblies -->
     <CheckEolTargetFramework>false</CheckEolTargetFramework>
     <OutputType>Exe</OutputType>
@@ -16,12 +16,14 @@
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.1" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
     <PackageReference Include="NUnitLite" Version="3.13.3" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2" />
-    <PackageReference Include="NUnit3TestAdapter" Version="4.2.1">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp2.1'">
+    <PackageReference Update="Microsoft.NET.Test.Sdk" Version="17.3.2" />
+    <PackageReference Update="NUnit3TestAdapter" Version="4.2.1" />
   </ItemGroup>
 
 </Project>
diff --git a/Tests/Microsoft.Dynamic.Test/Microsoft.Dynamic.Test.csproj b/Tests/Microsoft.Dynamic.Test/Microsoft.Dynamic.Test.csproj
index 16c12eee..29ab5b43 100644
--- a/Tests/Microsoft.Dynamic.Test/Microsoft.Dynamic.Test.csproj
+++ b/Tests/Microsoft.Dynamic.Test/Microsoft.Dynamic.Test.csproj
@@ -1,18 +1,20 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net452;netcoreapp2.1;netcoreapp3.1;net6.0</TargetFrameworks>
+    <TargetFrameworks>net462;netcoreapp2.1;netcoreapp3.1;net6.0</TargetFrameworks>
     <!-- EOL netcoreapp2.1 is used to test netstandard2.0 assemblies -->
     <CheckEolTargetFramework>false</CheckEolTargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.1" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.2.1" />
     <PackageReference Include="NUnitLite" Version="3.13.3" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2" />
-    <PackageReference Include="NUnit3TestAdapter" Version="4.2.1">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp2.1'">
+    <PackageReference Update="Microsoft.NET.Test.Sdk" Version="17.3.2" />
+    <PackageReference Update="NUnit3TestAdapter" Version="4.2.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Tests/Microsoft.Scripting.Test/Microsoft.Scripting.Test.csproj b/Tests/Microsoft.Scripting.Test/Microsoft.Scripting.Test.csproj
index eecd6254..cc21f246 100644
--- a/Tests/Microsoft.Scripting.Test/Microsoft.Scripting.Test.csproj
+++ b/Tests/Microsoft.Scripting.Test/Microsoft.Scripting.Test.csproj
@@ -1,18 +1,20 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net452;netcoreapp2.1;netcoreapp3.1;net6.0</TargetFrameworks>
+    <TargetFrameworks>net462;netcoreapp2.1;netcoreapp3.1;net6.0</TargetFrameworks>
     <!-- EOL netcoreapp2.1 is used to test netstandard2.0 assemblies -->
     <CheckEolTargetFramework>false</CheckEolTargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
     <PackageReference Include="NUnitLite" Version="3.13.3" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.2" />
-    <PackageReference Include="NUnit3TestAdapter" Version="4.2.1">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup Condition=" '$(TargetFramework)' == 'netcoreapp2.1'">
+    <PackageReference Update="Microsoft.NET.Test.Sdk" Version="17.3.2" />
+    <PackageReference Update="NUnit3TestAdapter" Version="4.2.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/make.ps1 b/make.ps1
index f7c736c2..e0daba54 100755
--- a/make.ps1
+++ b/make.ps1
@@ -4,7 +4,7 @@ Param(
     [Parameter(Position=1)]
     [String] $target = "release",
     [String] $configuration = "Release",
-    [String[]] $frameworks=@('net452','netcoreapp2.1','netcoreapp3.1','net6.0'),
+    [String[]] $frameworks=@('net462','netcoreapp2.1','netcoreapp3.1','net6.0'),
     [String] $platform = "x64",
     [switch] $runIgnored
 )