diff --git a/CHANGES.md b/CHANGES.md
index 8f106dc0..8178e10c 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,12 @@
+# Version 4.0.0
+
+**Breaking Changes**
+* Dropping net6.0 will more easily support trimming [PR #409](https://github.com/microsoft/Microsoft.IO.RecyclableMemoryStream/pull/409)
+* Switch `MemoryStreamDoubleDispose` event level from Critical to Verbose [PR #406](https://github.com/microsoft/Microsoft.IO.RecyclableMemoryStream/pull/406)
+
+**Other Changes**
+* Readme: Add clarity for the large pool of buffers and the GetBuffer method pertaining to the .NET max array length [PR #370](https://github.com/microsoft/Microsoft.IO.RecyclableMemoryStream/pull/370)
+
 # Version 3.0.1
 
 **Bug Fix**
diff --git a/src/Microsoft.IO.RecyclableMemoryStream.csproj b/src/Microsoft.IO.RecyclableMemoryStream.csproj
index 9b7dda10..9b858ec5 100644
--- a/src/Microsoft.IO.RecyclableMemoryStream.csproj
+++ b/src/Microsoft.IO.RecyclableMemoryStream.csproj
@@ -1,13 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netstandard2.1;net6.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;net8.0</TargetFrameworks>
     <CheckEolTargetFramework>false</CheckEolTargetFramework>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
     <RootNamespace>Microsoft.IO</RootNamespace>
     <DocumentationFile>bin\$(Configuration)\$(TargetFramework)\Microsoft.IO.RecyclableMemoryStream.xml</DocumentationFile>
     <!-- NuGet properties -->
     <PackageId>Microsoft.IO.RecyclableMemoryStream</PackageId>
-    <PackageVersion>3.0.1</PackageVersion>
+    <PackageVersion>4.0.0-alpha</PackageVersion>
     <Title>Microsoft.IO.RecyclableMemoryStream</Title>
     <Authors>Microsoft</Authors>
     <Description>A pooled MemoryStream allocator to decrease GC load and improve performance on highly scalable systems.</Description>
diff --git a/src/Properties/AssemblyInfo.cs b/src/Properties/AssemblyInfo.cs
index dc7d6251..2d244776 100644
--- a/src/Properties/AssemblyInfo.cs
+++ b/src/Properties/AssemblyInfo.cs
@@ -33,8 +33,8 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("3.0.1.0")]
-[assembly: AssemblyFileVersion("3.0.1.0")]
+[assembly: AssemblyVersion("4.0.0.0")]
+[assembly: AssemblyFileVersion("4.0.0.0")]
 
 [assembly: CLSCompliant(true)]