diff --git a/CryptoExchange.Net/CryptoExchange.Net.csproj b/CryptoExchange.Net/CryptoExchange.Net.csproj
index 3550034..bc76369 100644
--- a/CryptoExchange.Net/CryptoExchange.Net.csproj
+++ b/CryptoExchange.Net/CryptoExchange.Net.csproj
@@ -6,16 +6,16 @@
     <PackageId>CryptoExchange.Net</PackageId>
     <Authors>JKorf</Authors>
     <Description>A base package for implementing cryptocurrency exchange API's</Description>
-    <PackageVersion>4.0.4</PackageVersion>
+    <PackageVersion>4.0.5</PackageVersion>
     <AssemblyVersion>4.0.0</AssemblyVersion>
-    <FileVersion>4.0.4</FileVersion>
+    <FileVersion>4.0.5</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>4.0.4 - Websocket connection fixes/improvements, Added ChecksumValidationEnabled option for controlling checksum validation in SymbolOrderBook, Added MaxReconnectTries option, Added MaxResubscribeTries option, Added MaxConcurrentResubscriptionsPerSocket option, Fix for TimestampSecondsConverter rounding to nearest millisecond</PackageReleaseNotes>
+    <PackageReleaseNotes>4.0.5 - Added ConnectionClosed event on UpdateSubscriptions to signal the connection was closed and no reconnecting is happening</PackageReleaseNotes>
     <Nullable>enable</Nullable>
     <LangVersion>8.0</LangVersion>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
diff --git a/CryptoExchange.Net/CryptoExchange.Net.xml b/CryptoExchange.Net/CryptoExchange.Net.xml
index e8565c6..368ac81 100644
--- a/CryptoExchange.Net/CryptoExchange.Net.xml
+++ b/CryptoExchange.Net/CryptoExchange.Net.xml
@@ -3889,7 +3889,9 @@
         <member name="M:CryptoExchange.Net.Sockets.WebsocketFactory.CreateWebsocket(CryptoExchange.Net.Logging.Log,System.String,System.Collections.Generic.IDictionary{System.String,System.String},System.Collections.Generic.IDictionary{System.String,System.String})">
             <inheritdoc />
         </member>
-        <member name="T:System.Diagnostics.CodeAnalysis.AllowNullAttribute">
+    </members>
+</doc>
+System.Diagnostics.CodeAnalysis.AllowNullAttribute">
             <summary>
                 Specifies that <see langword="null"/> is allowed as an input even if the
                 corresponding type disallows it.
diff --git a/README.md b/README.md
index 7c991f6..bece8bc 100644
--- a/README.md
+++ b/README.md
@@ -316,6 +316,9 @@ private void SomeMethod()
 ````
 
 ## Release notes
+* Version 4.0.5 - 24 Aug 2021
+    * Added ConnectionClosed event on UpdateSubscriptions to signal the connection was closed and no reconnecting is happening
+
 * Version 4.0.4 - 24 Aug 2021
     * Websocket connection fixes/improvements
     * Added ChecksumValidationEnabled option for controlling checksum validation in SymbolOrderBook