diff --git a/Kucoin.Net/Kucoin.Net.csproj b/Kucoin.Net/Kucoin.Net.csproj
index 8cbbb710..a014441d 100644
--- a/Kucoin.Net/Kucoin.Net.csproj
+++ b/Kucoin.Net/Kucoin.Net.csproj
@@ -7,9 +7,9 @@
   <PropertyGroup>
     <PackageId>Kucoin.Net</PackageId>
     <Authors>JKorf</Authors>
-    <PackageVersion>5.8.0</PackageVersion>
-    <AssemblyVersion>5.8.0</AssemblyVersion>
-    <FileVersion>5.8.0</FileVersion>
+    <PackageVersion>5.8.1</PackageVersion>
+    <AssemblyVersion>5.8.1</AssemblyVersion>
+    <FileVersion>5.8.1</FileVersion>
     <Description>Kucoin.Net is a client library for accessing the Kucoin 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>Kucoin;Kucoin.Net;Kucoin Client;Kucoin API;CryptoCurrency;CryptoCurrency Exchange</PackageTags>
diff --git a/README.md b/README.md
index 802e3bfb..45455d93 100644
--- a/README.md
+++ b/README.md
@@ -123,6 +123,10 @@ 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 5.8.1 - 26 Jun 2024
+    * Fixed CancelAfter parameter on SpotApi.HfTrading.PlaceMultipleOrdersAsync endpoint
+    * Removed symbol base parameter from SpotApi.HfTrading.PlaceMultipleOrdersAsync as its not needed
+
 * Version 5.8.0 - 25 Jun 2024
     * Updated CryptoExchange.Net to 7.7.2, see https://github.com/JKorf/CryptoExchange.Net/releases/tag/7.7.2
     * Added SpotApi.Margin.GetCrossMarginSymbolsAsync endpoint