diff --git a/docs/content/servers/effinitive.md b/docs/content/servers/effinitive.md
index 1cf0e50..8d11e40 100644
--- a/docs/content/servers/effinitive.md
+++ b/docs/content/servers/effinitive.md
@@ -66,7 +66,7 @@ namespace EffinitiveServer.Endpoints
         public override ValueTask<string> HandleAsync(CancellationToken ct = default)
         {
             var body = HttpContext?.Body;
-            return ValueTask.FromResult(body is { Length: > 0 } ? Encoding.UTF8.GetString(body) : "");
+            return ValueTask.FromResult(body is { Length: > 0 } ? Encoding.UTF8.GetString(body.Value.Span) : "");
         }
     }
 
diff --git a/docs/static/probe/render.js b/docs/static/probe/render.js
index 02c9b2f..32280de 100644
--- a/docs/static/probe/render.js
+++ b/docs/static/probe/render.js
@@ -503,6 +503,7 @@ window.ProbeRender = (function () {
     'Caddy': '/servers/caddy/',
     'Deno': '/servers/deno/',
     'EmbedIO': '/servers/embedio/',
+    'Effinitive': '/servers/effinitive/',
     'Envoy': '/servers/envoy/',
     'Express': '/servers/express/',
     'FastEndpoints': '/servers/fastendpoints/',
diff --git a/src/Servers/EffinitiveServer/EffinitiveServer.csproj b/src/Servers/EffinitiveServer/EffinitiveServer.csproj
index dc4fd83..87c4b6e 100644
--- a/src/Servers/EffinitiveServer/EffinitiveServer.csproj
+++ b/src/Servers/EffinitiveServer/EffinitiveServer.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="EffinitiveFramework.Core" Version="1.3.1" />
+    <PackageReference Include="EffinitiveFramework.Core" Version="2.0.0" />
   </ItemGroup>
 
 </Project>
diff --git a/src/Servers/EffinitiveServer/Program.cs b/src/Servers/EffinitiveServer/Program.cs
index d1eba00..210f6d5 100644
--- a/src/Servers/EffinitiveServer/Program.cs
+++ b/src/Servers/EffinitiveServer/Program.cs
@@ -38,7 +38,7 @@ sealed class PostRoot : NoRequestEndpointBase<string>
         public override ValueTask<string> HandleAsync(CancellationToken ct = default)
         {
             var body = HttpContext?.Body;
-            return ValueTask.FromResult(body is { Length: > 0 } ? Encoding.UTF8.GetString(body) : "");
+            return ValueTask.FromResult(body is { Length: > 0 } ? Encoding.UTF8.GetString(body.Value.Span) : "");
         }
     }