diff --git a/LanguageServer/LanguageServer.csproj b/LanguageServer/LanguageServer.csproj
index c215fd5..b6a0d10 100644
--- a/LanguageServer/LanguageServer.csproj
+++ b/LanguageServer/LanguageServer.csproj
@@ -4,7 +4,7 @@
     <Description>A library to handle Language Server Protocol (https://github.com/Microsoft/language-server-protocol).</Description>
     <Company />
     <Copyright>Copyright © 2018 Kentaro Inomata</Copyright>
-    <AssemblyVersion>3.0.0.0</AssemblyVersion>
+    <AssemblyVersion>4.0.0.0</AssemblyVersion>
     <Authors>Kentaro Inomata</Authors>
     <PackageId>LanguageServerProtocol</PackageId>
     <Product>LanguageServerProtocol</Product>
@@ -13,12 +13,13 @@
     <RepositoryUrl>https://github.com/matarillo/LanguageServerProtocol.git</RepositoryUrl>
     <RepositoryType>git</RepositoryType>
     <PackageTags>LanguageServerProtocol language-server-protocol IDE compiler-service vscode omnisharp</PackageTags>
-    <PackageReleaseNotes>v3.0.0: Make breaking changes to some types, such as removing, moving to another namespace, etc.
-v2.1.0: Add Connection.ReuestHandlers and Connection.NotificationHandlers public properties.
-v2.0.0: Add ServiceConnection.
+    <PackageReleaseNotes>v4.0.0: Support the protocol version 3.3.0.
+v3.0.0: Make breaking changes to some types, such as removing, moving to another namespace, etc.
+v2.1.0: Support the protocol version 3.2.0.  Add Connection.ReuestHandlers and Connection.NotificationHandlers public properties.
+v2.0.0: Support the protocol version 3.0.0.  Add ServiceConnection.
 v1.0.0: initial release.</PackageReleaseNotes>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <Version>3.0.0</Version>
+    <Version>4.0.0</Version>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
     <DocumentationFile>bin\Debug\netstandard1.3\LanguageServer.xml</DocumentationFile>
diff --git a/nuget/LanguageServerProtocol.nuspec b/nuget/LanguageServerProtocol.nuspec
index 92c0e73..6522322 100644
--- a/nuget/LanguageServerProtocol.nuspec
+++ b/nuget/LanguageServerProtocol.nuspec
@@ -2,15 +2,16 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
     <metadata>
         <id>LanguageServerProtocol</id>
-        <version>3.0.0</version>
+        <version>4.0.0</version>
         <title>LanguageServerProtocol</title>
         <authors>Kentaro Inomata</authors>
         <owners>Kentaro Inomata</owners>
         <licenseUrl>https://opensource.org/licenses/MIT</licenseUrl>
         <projectUrl>https://github.com/matarillo/LanguageServerProtocol</projectUrl>
+        <repository type="git" url="https://github.com/matarillo/LanguageServerProtocol.git"/>
         <requireLicenseAcceptance>false</requireLicenseAcceptance>
         <description>A library to handle Language Server Protocol (https://github.com/Microsoft/language-server-protocol).</description>
-        <releaseNotes>v3.0.0: Make breaking changes to some types, such as removing, moving to another namespace, etc.&#xD;&#xA;v2.0.0: Add ServiceConnection.&#xD;&#xA;v1.0.0: initial release.</releaseNotes>
+        <releaseNotes>v4.0.0: Support the protocol version 3.3.0.&#xD;&#xA;v3.0.0: Make breaking changes to some types, such as removing, moving to another namespace, etc.&#xD;&#xA;v2.1.0: Support the protocol version 3.2.0.  Add Connection.ReuestHandlers and Connection.NotificationHandlers public properties.&#xD;&#xA;v2.0.0: Support the protocol version 3.0.0.  Add ServiceConnection.&#xD;&#xA;v1.0.0: initial release.</releaseNotes>
         <copyright>Copyright © 2017 Kentaro Inomata</copyright>
         <tags>LanguageServerProtocol language-server-protocol IDE compiler-service vscode omnisharp</tags>
         <dependencies>