diff --git a/CryptoExchange.Net/CryptoExchange.Net.csproj b/CryptoExchange.Net/CryptoExchange.Net.csproj
index 279d669..b061108 100644
--- a/CryptoExchange.Net/CryptoExchange.Net.csproj
+++ b/CryptoExchange.Net/CryptoExchange.Net.csproj
@@ -6,12 +6,12 @@
     <PackageId>CryptoExchange.Net</PackageId>
     <Authors>JKorf</Authors>
     <Description>A base package for implementing cryptocurrency exchange API's</Description>
-    <PackageVersion>3.0.8</PackageVersion>
+    <PackageVersion>3.0.9</PackageVersion>
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
     <PackageProjectUrl>https://github.com/JKorf/CryptoExchange.Net</PackageProjectUrl>
     <NeutralLanguage>en</NeutralLanguage>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <PackageReleaseNotes>3.0.8 - Added empty body content setting, added TryParseError virtual method</PackageReleaseNotes>
+    <PackageReleaseNotes>3.0.9 - Added arraySerialization and postParameterPosition to AuthenticationProvider interface, fixed array serialization in request body</PackageReleaseNotes>
     <Nullable>enable</Nullable>
     <LangVersion>8.0</LangVersion>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
diff --git a/README.md b/README.md
index 2726beb..c3b538e 100644
--- a/README.md
+++ b/README.md
@@ -194,6 +194,10 @@ The order book will automatically reconnect when the connection is lost and resy
 To stop synchronizing an order book use the `Stop` method.
 
 ## Release notes
+* Version 3.0.9 - 07 Jun 2020
+	* Added arraySerialization and postParameterPosition to AuthenticationProvider interface
+	* Fixed array serialization in request body
+
 * Version 3.0.8 - 02 Jun 2020
 	* Added requestBodyEmptyContent setting for rest client
 	* Added TryParseError for rest implementations to check for error with success status code