diff --git a/FluentEmail.MailerSend.Tests/FluentEmail.MailerSend.Tests.csproj b/FluentEmail.MailerSend.Tests/FluentEmail.MailerSend.Tests.csproj
index 9a0fc16..9f9615c 100644
--- a/FluentEmail.MailerSend.Tests/FluentEmail.MailerSend.Tests.csproj
+++ b/FluentEmail.MailerSend.Tests/FluentEmail.MailerSend.Tests.csproj
@@ -11,13 +11,13 @@
 
 	<ItemGroup>
 		<PackageReference Include="FluentAssertions" Version="6.12.0" />
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
-		<PackageReference Include="coverlet.collector" Version="6.0.1">
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
+		<PackageReference Include="coverlet.collector" Version="6.0.2">
 		  <PrivateAssets>all</PrivateAssets>
 		  <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
-		<PackageReference Include="xunit" Version="2.7.0" />
-		<PackageReference Include="xunit.runner.visualstudio" Version="2.5.7">
+		<PackageReference Include="xunit" Version="2.8.1" />
+		<PackageReference Include="xunit.runner.visualstudio" Version="2.8.1">
 		  <PrivateAssets>all</PrivateAssets>
 		  <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
diff --git a/FluentEmail.MailerSend/FluentEmail.MailerSend.csproj b/FluentEmail.MailerSend/FluentEmail.MailerSend.csproj
index 1664e18..81b2a0c 100644
--- a/FluentEmail.MailerSend/FluentEmail.MailerSend.csproj
+++ b/FluentEmail.MailerSend/FluentEmail.MailerSend.csproj
@@ -10,7 +10,7 @@
 		<Authors>Marco Ribeiro</Authors>
 		<Company />
 		<PackageId>jcamp.FluentEmail.MailerSend</PackageId>
-		<PackageVersion>1.1.0</PackageVersion>
+		<PackageVersion>1.1.1</PackageVersion>
 		<PackageTags>mailersend;email;razor;liquid;fluent;fluentemail</PackageTags>
 		<PackageLicenseExpression>MIT OR Apache-2.0</PackageLicenseExpression>
 	</PropertyGroup>
diff --git a/FluentEmail.MailerSend/MailerSendSender.cs b/FluentEmail.MailerSend/MailerSendSender.cs
index 553c8c9..d8ddfb6 100644
--- a/FluentEmail.MailerSend/MailerSendSender.cs
+++ b/FluentEmail.MailerSend/MailerSendSender.cs
@@ -4,6 +4,7 @@
 using FluentEmail.MailerSend.Utils;
 using System.Net.Http.Headers;
 using System.Net.Http.Json;
+using System.Text.Encodings.Web;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
@@ -43,6 +44,7 @@ public async Task<SendResponse> SendAsync(IFluentEmail email, CancellationToken?
     private static JsonSerializerOptions JsonSerializerOptions => new()
     {
         PropertyNamingPolicy = new SnakeCaseNamingPolicy(),
-        DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull
+        DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
+        Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping
     };
 }