diff --git a/src/Smtp.Pool/Smtp.Pool.csproj b/src/Smtp.Pool/Smtp.Pool.csproj
index dfa1c51..b46a3db 100644
--- a/src/Smtp.Pool/Smtp.Pool.csproj
+++ b/src/Smtp.Pool/Smtp.Pool.csproj
@@ -20,7 +20,7 @@
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
-		<PackageReference Include="MailKit" Version="4.5.0" />
+		<PackageReference Include="MailKit" Version="4.6.0" />
 		<PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="8.0.0" />
 		<PackageReference Include="Microsoft.Extensions.Options" Version="8.0.2" />
 		<PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="8.0.0" />
diff --git a/src/Smtp.Pool/SmtpClientFactory.cs b/src/Smtp.Pool/SmtpClientFactory.cs
index 1cb4db3..88e4777 100644
--- a/src/Smtp.Pool/SmtpClientFactory.cs
+++ b/src/Smtp.Pool/SmtpClientFactory.cs
@@ -26,18 +26,13 @@ public SmtpClientFactory(
         this.credentials = credentials.Value;
     }
 
-    public IMailTransport CreateItem()
-    {
+    public IMailTransport CreateItem() =>
         // todo: a real world example would set values from SmtpClientOptions
-        return new SmtpClient();
-    }
+        new SmtpClient();
 
-    public async Task<bool> IsReadyAsync(IMailTransport item, CancellationToken cancellationToken)
-    {
-        return item.IsConnected
+    public async Task<bool> IsReadyAsync(IMailTransport item, CancellationToken cancellationToken) => item.IsConnected
             && item.IsAuthenticated
             && await NoOpAsync(item, cancellationToken);
-    }
 
     private async Task<bool> NoOpAsync(IMailTransport item, CancellationToken cancellationToken)
     {