diff --git a/README.md b/README.md
index a6b1d96..0b02052 100644
--- a/README.md
+++ b/README.md
@@ -3,8 +3,8 @@
 [![NuGet package](https://img.shields.io/nuget/v/ZstdSharp.Port.svg?logo=NuGet)](https://www.nuget.org/packages/ZstdSharp.Port)
 
 ZstdSharp is a port of [zstd compression library](https://github.com/facebook/zstd) to С#  
-Based on Zstandard v1.5.0  
-Supports .NET Core 3.1, .NET 5, .NET Standard 2.0+, .NET Framework 4.6.1+
+Based on Zstandard v1.5.1  
+Supports .NET Core 3.1, .NET 5, .NET 6, .NET Standard 2.0+, .NET Framework 4.6.1+
 
 # Usage  
 
@@ -31,28 +31,28 @@ Best performance is achieved on `.NET Core`. `System.Runtime.Intrinsics` namespa
 
 Comparision `zstd` (native) and `ZstdSharp`  
 ```
-BenchmarkDotNet=v0.12.1, OS=Windows 10.0.19041.1052 (2004/?/20H1)
+BenchmarkDotNet=v0.13.1, OS=Windows 10.0.19043.1415 (21H1/May2021Update)
 Intel Core i7-2600K CPU 3.40GHz (Sandy Bridge), 1 CPU, 8 logical and 4 physical cores
-.NET Core SDK=5.0.204
-  [Host]     : .NET Core 5.0.7 (CoreCLR 5.0.721.25508, CoreFX 5.0.721.25508), X64 RyuJIT
-  DefaultJob : .NET Core 5.0.7 (CoreCLR 5.0.721.25508, CoreFX 5.0.721.25508), X64 RyuJIT
+.NET SDK=6.0.101
+  [Host]     : .NET 6.0.1 (6.0.121.56705), X64 RyuJIT
+  DefaultJob : .NET 6.0.1 (6.0.121.56705), X64 RyuJIT
 ```
 
 Compression level 1
-|           Method |     Mean |    Error |   StdDev | Ratio | RatioSD |
-|----------------- |---------:|---------:|---------:|------:|--------:|
-|   CompressNative | 51.20 ms | 1.022 ms | 1.621 ms |  1.00 |    0.00 |
-|    CompressSharp | 68.76 ms | 1.287 ms | 1.074 ms |  1.34 |    0.05 |
-|                  |          |          |          |       |         |
-| DecompressNative | 15.64 ms | 0.253 ms | 0.224 ms |  1.00 |    0.00 |
-|  DecompressSharp | 20.98 ms | 0.253 ms | 0.224 ms |  1.34 |    0.02 |
+|           Method |     Mean |    Error |   StdDev | Ratio | RatioSD | InstructionRetired/Op |
+|----------------- |---------:|---------:|---------:|------:|--------:|----------------------:|
+|   CompressNative | 45.26 ms | 0.750 ms | 0.702 ms |  1.00 |    0.00 |           399,751,515 |
+|    CompressSharp | 64.31 ms | 0.310 ms | 0.259 ms |  1.42 |    0.03 |           524,542,857 |
+|                  |          |          |          |       |         |                       |
+| DecompressNative | 14.27 ms | 0.281 ms | 0.335 ms |  1.00 |    0.00 |           155,238,636 |
+|  DecompressSharp | 20.06 ms | 0.102 ms | 0.085 ms |  1.41 |    0.03 |           188,704,167 |
 
 
 Compression level 5
-|           Method |      Mean |    Error |   StdDev | Ratio | RatioSD |
-|----------------- |----------:|---------:|---------:|------:|--------:|
-|   CompressNative | 205.69 ms | 3.887 ms | 4.159 ms |  1.00 |    0.00 |
-|    CompressSharp | 212.88 ms | 2.141 ms | 1.898 ms |  1.04 |    0.02 |
-|                  |           |          |          |       |         |
-| DecompressNative |  21.91 ms | 0.430 ms | 0.528 ms |  1.00 |    0.00 |
-|  DecompressSharp |  27.77 ms | 0.528 ms | 0.519 ms |  1.26 |    0.03 |
+|           Method |      Mean |    Error |   StdDev |    Median | Ratio | RatioSD | InstructionRetired/Op |
+|----------------- |----------:|---------:|---------:|----------:|------:|--------:|----------------------:|
+|   CompressNative | 153.35 ms | 3.049 ms | 8.747 ms | 150.53 ms |  1.00 |    0.00 |         1,103,210,938 |
+|    CompressSharp | 198.80 ms | 3.927 ms | 8.368 ms | 195.48 ms |  1.29 |    0.08 |         1,527,494,444 |
+|                  |           |          |          |           |       |         |                       |
+| DecompressNative |  17.01 ms | 0.226 ms | 0.212 ms |  16.97 ms |  1.00 |    0.00 |           206,341,667 |
+|  DecompressSharp |  25.86 ms | 0.513 ms | 1.037 ms |  25.58 ms |  1.56 |    0.07 |           261,462,010 |