diff --git a/src/Mvp.Xml/Mvp.Xml.csproj b/src/Mvp.Xml/Mvp.Xml.csproj
index 30baef2..ef1d3ee 100644
--- a/src/Mvp.Xml/Mvp.Xml.csproj
+++ b/src/Mvp.Xml/Mvp.Xml.csproj
@@ -18,8 +18,8 @@
   
   <ItemGroup>
     <PackageReference Include="NuGetizer" Version="1.4.6" PrivateAssets="all" PackTransitive="false" />
-    <PackageReference Include="System.CodeDom" Version="10.0.2" />
-    <PackageReference Include="System.Security.Permissions" Version="10.0.2" />
+    <PackageReference Include="System.CodeDom" Version="10.0.9" />
+    <PackageReference Include="System.Security.Permissions" Version="10.0.9" />
     <PackageReference Include="System.Xml.XmlDocument" Version="4.3.0" />
   </ItemGroup>