diff --git a/Src/VTEX.API/VTEX.API.csproj b/Src/VTEX.API/VTEX.API.csproj
index ea0e79e69..dcbc1e80a 100644
--- a/Src/VTEX.API/VTEX.API.csproj
+++ b/Src/VTEX.API/VTEX.API.csproj
@@ -1,11 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.1</TargetFramework>
+    <TargetFrameworks>netstandard2.0;netstandard2.1</TargetFrameworks>
+    <LangVersion>8.0</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="CrispyWaffle" Version="1.2.5" />
+    <PackageReference Include="CrispyWaffle" Version="1.2.57" />
   </ItemGroup>
 
 </Project>
diff --git a/Src/VTEX.Core/VTEX.Core.csproj b/Src/VTEX.Core/VTEX.Core.csproj
index ea0e79e69..dcbc1e80a 100644
--- a/Src/VTEX.Core/VTEX.Core.csproj
+++ b/Src/VTEX.Core/VTEX.Core.csproj
@@ -1,11 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.1</TargetFramework>
+    <TargetFrameworks>netstandard2.0;netstandard2.1</TargetFrameworks>
+    <LangVersion>8.0</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="CrispyWaffle" Version="1.2.5" />
+    <PackageReference Include="CrispyWaffle" Version="1.2.57" />
   </ItemGroup>
 
 </Project>
diff --git a/Src/VTEX.Health/VTEX.Health.csproj b/Src/VTEX.Health/VTEX.Health.csproj
index e128c1e46..187f51293 100644
--- a/Src/VTEX.Health/VTEX.Health.csproj
+++ b/Src/VTEX.Health/VTEX.Health.csproj
@@ -1,11 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netstandard2.1</TargetFramework>
+    <TargetFrameworks>netstandard2.0;netstandard2.1</TargetFrameworks>
+    <LangVersion>8.0</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="CrispyWaffle" Version="1.2.5" />
+    <PackageReference Include="CrispyWaffle" Version="1.2.57" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="3.1.3" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.5.4" />
diff --git a/Src/VTEX/VTEX.csproj b/Src/VTEX/VTEX.csproj
index 98b5cca33..3964a56dc 100644
--- a/Src/VTEX/VTEX.csproj
+++ b/Src/VTEX/VTEX.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <ProjectGuid>D1E5B509-0934-4E15-B78D-D3A88AC8CB16</ProjectGuid>
-    <TargetFramework>netstandard2.1</TargetFramework>
+    <TargetFrameworks>netstandard2.0;netstandard2.1</TargetFrameworks>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <Authors>Guilherme Branco Stracini</Authors>
     <Copyright>© 2020 Guilherme Branco Stracini. All rights reserved.</Copyright>
@@ -16,12 +16,13 @@
     <Version>1.0.0</Version>
     <AssemblyVersion>1.0.0.0</AssemblyVersion>
     <PackageLicenseFile>LICENSE</PackageLicenseFile>
+    <LangVersion>8.0</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNet.WebApi.Client" Version="5.2.7" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
-    <PackageReference Include="CrispyWaffle" Version="1.2.5" />
+    <PackageReference Include="CrispyWaffle" Version="1.2.57" />
     <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
     <PackageReference Include="System.Threading.Tasks.Extensions" Version="4.5.4" />
   </ItemGroup>
diff --git a/Src/VTEX/VTEX.csproj.DotSettings b/Src/VTEX/VTEX.csproj.DotSettings
new file mode 100644
index 000000000..b9fd6ee4f
--- /dev/null
+++ b/Src/VTEX/VTEX.csproj.DotSettings
@@ -0,0 +1,2 @@
+<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
+	<s:String x:Key="/Default/CodeInspection/CSharpLanguageProject/LanguageLevel/@EntryValue">CSharp80</s:String></wpf:ResourceDictionary>
\ No newline at end of file
diff --git a/Tests/VTEX.Tests/VTEX.Tests.csproj b/Tests/VTEX.Tests/VTEX.Tests.csproj
index 6cba4359d..73c14a9e2 100644
--- a/Tests/VTEX.Tests/VTEX.Tests.csproj
+++ b/Tests/VTEX.Tests/VTEX.Tests.csproj
@@ -4,14 +4,15 @@
     <ProjectGuid>2FD2F4CE-DCAB-4F78-8A20-A22CD7F74CFB</ProjectGuid>
     <TargetFramework>netcoreapp3.1</TargetFramework>
     <IsPackable>false</IsPackable>
+    <LangVersion>8.0</LangVersion>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="coverlet.msbuild" Version="2.8.0">
+    <PackageReference Include="coverlet.msbuild" Version="2.8.1">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.0" />
     <PackageReference Include="Moq" Version="4.13.1" />
     <PackageReference Include="RichardSzalay.MockHttp" Version="6.0.0" />
     <PackageReference Include="xunit" Version="2.4.1" />