diff --git a/CryptoExchange.Net/CryptoExchange.Net.csproj b/CryptoExchange.Net/CryptoExchange.Net.csproj
index a821296..76e97c1 100644
--- a/CryptoExchange.Net/CryptoExchange.Net.csproj
+++ b/CryptoExchange.Net/CryptoExchange.Net.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;netstandard2.1</TargetFrameworks>
   </PropertyGroup>
@@ -6,16 +6,16 @@
     <PackageId>CryptoExchange.Net</PackageId>
     <Authors>JKorf</Authors>
     <Description>A base package for implementing cryptocurrency exchange API's</Description>
-    <PackageVersion>5.0.0-alpha3</PackageVersion>
+    <PackageVersion>5.0.0-alpha4</PackageVersion>
     <AssemblyVersion>5.0.0</AssemblyVersion>
-    <FileVersion>5.0.0-alpha3</FileVersion>
+    <FileVersion>5.0.0-alpha4</FileVersion>
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
     <RepositoryType>git</RepositoryType>
     <RepositoryUrl>https://github.com/JKorf/CryptoExchange.Net.git</RepositoryUrl>
     <PackageProjectUrl>https://github.com/JKorf/CryptoExchange.Net</PackageProjectUrl>
     <NeutralLanguage>en</NeutralLanguage>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <PackageReleaseNotes>5.0.0-alpha3 - Added ExchangeName to IExchangeClient interface</PackageReleaseNotes>
+    <PackageReleaseNotes>5.0.0-alpha4 - New comon interface structure, Added Microsoft.Extensions.DependencyInjection.Abstractions to allow a AddXXX extension method on IServiceCollection for implementations</PackageReleaseNotes>
     <Nullable>enable</Nullable>
     <LangVersion>9.0</LangVersion>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
@@ -47,19 +47,18 @@
     </PackageReference>
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
   </ItemGroup>
-
   <Choose>
-	  <When Condition="'$(TargetFramework)' == 'netstandard2.0'">
-		  <ItemGroup>
-			  <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="[3.1.0,)" />
-			  <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="[3.1.0,)" />			 
-		  </ItemGroup>
-	  </When>
-	  <Otherwise>
-		  <ItemGroup>
-			  <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="[5.0.0,)" />
-			  <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="[5.0.0,)" />
-		  </ItemGroup>
-	  </Otherwise>
+    <When Condition="'$(TargetFramework)' == 'netstandard2.0'">
+      <ItemGroup>
+        <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="[3.1.0,)" />
+        <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="[3.1.0,)" />
+      </ItemGroup>
+    </When>
+    <Otherwise>
+      <ItemGroup>
+        <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="[5.0.0,)" />
+        <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="[5.0.0,)" />
+      </ItemGroup>
+    </Otherwise>
   </Choose>
 </Project>
\ No newline at end of file
diff --git a/README.md b/README.md
index 4281b44..d4cd021 100644
--- a/README.md
+++ b/README.md
@@ -326,6 +326,10 @@ private void SomeMethod()
 ````
 
 ## Release notes
+* Version 5.0.0-alpha4 - 01 Jan 2022
+    * New comon interface structure
+    * Added Microsoft.Extensions.DependencyInjection.Abstractions to allow a AddXXX extension method on IServiceCollection for implementations
+
 * Version 5.0.0-alpha3 - 27 Dec 2021
     * Added ExchangeName to IExchangeClient interface