diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc4cac9..d2f8ffa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+### Changed
+- Updated Castle.Core to 5.2.1
+- Updated .NET Framework target to 4.6.2
+
 ## [3.3.3] - 2020-08-30
 
 ### Fixed
diff --git a/src/Ninject.Extensions.Factory.Test/Ninject.Extensions.Factory.Test.csproj b/src/Ninject.Extensions.Factory.Test/Ninject.Extensions.Factory.Test.csproj
index e5974ad..8ee0105 100644
--- a/src/Ninject.Extensions.Factory.Test/Ninject.Extensions.Factory.Test.csproj
+++ b/src/Ninject.Extensions.Factory.Test/Ninject.Extensions.Factory.Test.csproj
@@ -1,12 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp3.1;net452</TargetFrameworks>
+    <TargetFrameworks>netcoreapp3.1;net462</TargetFrameworks>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Castle.Core" Version="4.2.0" />
+    <PackageReference Include="Castle.Core" Version="5.2.1" />
     <PackageReference Include="FluentAssertions" Version="4.19.4" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
     <PackageReference Include="Moq" Version="4.7.137" />
diff --git a/src/Ninject.Extensions.Factory/Ninject.Extensions.Factory.csproj b/src/Ninject.Extensions.Factory/Ninject.Extensions.Factory.csproj
index 744ba4b..49e0b4f 100644
--- a/src/Ninject.Extensions.Factory/Ninject.Extensions.Factory.csproj
+++ b/src/Ninject.Extensions.Factory/Ninject.Extensions.Factory.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;net45</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net462</TargetFrameworks>
     <Authors>Ninject Project Contributors</Authors>
     <Company>Ninject Project Contributors</Company>
     <Product>Factory extension for Ninject</Product>
@@ -34,7 +34,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Castle.Core" Version="4.2.0" />
+    <PackageReference Include="Castle.Core" Version="5.2.1" />
     <PackageReference Include="Ninject" Version="3.3.3" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.1.0-beta004">
       <PrivateAssets>All</PrivateAssets>