diff --git a/Kraken.Net/Kraken.Net.csproj b/Kraken.Net/Kraken.Net.csproj
index 44be07f..4db5be2 100644
--- a/Kraken.Net/Kraken.Net.csproj
+++ b/Kraken.Net/Kraken.Net.csproj
@@ -7,9 +7,9 @@
   <PropertyGroup>
     <PackageId>KrakenExchange.Net</PackageId>
     <Authors>JKorf</Authors>
-    <PackageVersion>4.6.5</PackageVersion>
-    <AssemblyVersion>4.6.5</AssemblyVersion>
-    <FileVersion>4.6.5</FileVersion>
+    <PackageVersion>4.6.6</PackageVersion>
+    <AssemblyVersion>4.6.6</AssemblyVersion>
+    <FileVersion>4.6.6</FileVersion>
     <Description>KrakenExchange.Net is a client library for accessing the Kraken REST and Websocket API. All data is mapped to readable models and enum values. Additional features include an implementation for maintaining a client side order book, easy integration with other exchange client libraries and more.</Description>
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
     <PackageTags>Kraken;KrakenExchange.Net;Kraken.Net;Kraken Client;Kraken API;CryptoCurrency;CryptoCurrency Exchange</PackageTags>
diff --git a/README.md b/README.md
index b08c862..8642fe7 100644
--- a/README.md
+++ b/README.md
@@ -121,6 +121,10 @@ Make a one time donation in a crypto currency of your choice. If you prefer to d
 Alternatively, sponsor me on Github using [Github Sponsors](https://github.com/sponsors/JKorf). 
 
 ## Release notes
+* Version 4.6.6 - 02 Jun 2024
+    * Added margin parameter to websocket SpotApi.PlaceOrderAsync
+    * Added countryCode parameter to SpotApi.ExchangeData.GetSymbolsAsync
+
 * Version 4.6.5 - 07 May 2024
     * Updated CryptoExchange.Net to v7.5.2, see https://github.com/JKorf/CryptoExchange.Net?tab=readme-ov-file#release-notes for release notes