diff --git a/README.md b/README.md
index 90246ef..10e04a2 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ Full-Featured library:
 `PM> Install-Package FlareSolverr`
 
 ## Dependencies
-- [.NET Standard 1.3](https://learn.microsoft.com/en-us/dotnet/standard/net-standard?tabs=net-standard-1-3) / [.NET Standard 2.0](https://learn.microsoft.com/en-us/dotnet/standard/net-standard?tabs=net-standard-2-0)
+- [.NET Standard 2.0](https://learn.microsoft.com/en-us/dotnet/standard/net-standard?tabs=net-standard-2-0)
 
 You need a running [FlareSolverr](https://github.com/FlareSolverr/FlareSolverr) service.
 
diff --git a/src/FlareSolverrSharp/FlareSolverrSharp.csproj b/src/FlareSolverrSharp/FlareSolverrSharp.csproj
index 9c9bfd6..5c89a37 100644
--- a/src/FlareSolverrSharp/FlareSolverrSharp.csproj
+++ b/src/FlareSolverrSharp/FlareSolverrSharp.csproj
@@ -1,10 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
   <PropertyGroup>
-    <TargetFrameworks>netstandard1.3;netstandard2.0</TargetFrameworks>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <PackageId>FlareSolverrSharp</PackageId>
     <RootNamespace>FlareSolverrSharp</RootNamespace>
-    <Version>3.0.9</Version>
+    <Version>4.0.0</Version>
     <Authors>Diego Heras (ngosang)</Authors>
     <Description>FlareSolverr .Net / Proxy server to bypass Cloudflare protection.</Description>
     <PackageTags>flaresolverr, flaresolver, cloudflare, solver, bypass, protection, solving, library, cloudflaresolver, delegatinghandler, recaptcha, captcha, javascript, challenge, utilities</PackageTags>
@@ -16,7 +15,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.2" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
   </ItemGroup>
-
 </Project>