diff --git a/Changelog.md b/Changelog.md
index aec3d36..78b3fbf 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,9 @@
+# 0.3.0
+<sup>Released: 2018/05/20</sup>
+
+ - Add header_to support for address.
+ - Actually care about semver.
+
 # 0.2.3
 <sup>Released: 2018/03/06</sup>
 
diff --git a/LICENSE.txt b/LICENSE.txt
index 3661c0a..6d69cea 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2016 William Roush
+Copyright (c) 2016-2018 William Roush
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/src/SparkPostDotNet/SparkPostDotNet.csproj b/src/SparkPostDotNet/SparkPostDotNet.csproj
index 0e9f011..1824513 100644
--- a/src/SparkPostDotNet/SparkPostDotNet.csproj
+++ b/src/SparkPostDotNet/SparkPostDotNet.csproj
@@ -2,9 +2,9 @@
 
   <PropertyGroup>
     <Description>SparkPost Integration for .NET Core</Description>
-    <Copyright>William Roush 2016-2017</Copyright>
+    <Copyright>William Roush 2016-2018</Copyright>
     <AssemblyTitle>SparkPostDotNet</AssemblyTitle>
-    <VersionPrefix>0.2.3</VersionPrefix>
+    <VersionPrefix>0.3.0</VersionPrefix>
     <Authors>William Roush</Authors>
     <AssemblyName>SparkPostDotNet</AssemblyName>
     <PackageId>SparkPostDotNet</PackageId>
diff --git a/src/SparkPostDotNet/Transmissions/Address.cs b/src/SparkPostDotNet/Transmissions/Address.cs
index dc95e52..b527074 100644
--- a/src/SparkPostDotNet/Transmissions/Address.cs
+++ b/src/SparkPostDotNet/Transmissions/Address.cs
@@ -9,5 +9,8 @@ public class Address
 
         [JsonProperty("name")]
         public string Name { get; set; }
+        
+        [JsonProperty("header_to")]
+        public string HeaderTo { get; set; }
     }
-}
\ No newline at end of file
+}