diff --git a/CHANGELOG.md b/CHANGELOG.md
index d62e60c3d8..0b18b59abc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Castle Core Changelog
 
+## 4.4.2 (2021-12-13)
+
+Bugfixes:
+- Update the reference for System.Net.Http (4.3.4) and System.Text.RegularExpressions (4.3.1) to patch security issues (@eskildsen)
+
 ## 4.4.1 (2020-05-06)
 
 Bugfixes:
diff --git a/src/Castle.Core/Castle.Core.csproj b/src/Castle.Core/Castle.Core.csproj
index ae57a6aa16..f3aeed6d96 100644
--- a/src/Castle.Core/Castle.Core.csproj
+++ b/src/Castle.Core/Castle.Core.csproj
@@ -43,6 +43,11 @@
 		<PackageReference Include="System.ComponentModel" Version="4.3.0" />
 		<PackageReference Include="System.ComponentModel.TypeConverter" Version="4.3.0" />
 	</ItemGroup>
+  
+  <ItemGroup Condition="'$(TargetFramework)'!='net35'AND'$(TargetFramework)'!='net40'">
+    <PackageReference Include="System.Net.Http" Version="4.3.4" />
+    <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
+  </ItemGroup>
 
 	<ItemGroup>
 		<Folder Include="Properties\" />