diff --git a/src/ca/dependencyca.vcxproj b/src/ca/dependencyca.vcxproj
index c8072f7..d8441f1 100644
--- a/src/ca/dependencyca.vcxproj
+++ b/src/ca/dependencyca.vcxproj
@@ -2,8 +2,8 @@
 <!-- Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information. -->
 
 <Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\..\packages\WixToolset.DUtil.4.0.18\build\WixToolset.DUtil.props" Condition="Exists('..\..\packages\WixToolset.DUtil.4.0.18\build\WixToolset.DUtil.props')" />
-  <Import Project="..\..\packages\WixToolset.WcaUtil.4.0.8\build\WixToolset.WcaUtil.props" Condition="Exists('..\..\packages\WixToolset.WcaUtil.4.0.8\build\WixToolset.WcaUtil.props')" />
+  <Import Project="..\..\packages\WixToolset.DUtil.4.0.30\build\WixToolset.DUtil.props" Condition="Exists('..\..\packages\WixToolset.DUtil.4.0.30\build\WixToolset.DUtil.props')" />
+  <Import Project="..\..\packages\WixToolset.WcaUtil.4.0.16\build\WixToolset.WcaUtil.props" Condition="Exists('..\..\packages\WixToolset.WcaUtil.4.0.16\build\WixToolset.WcaUtil.props')" />
 
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
@@ -55,7 +55,7 @@
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\..\packages\WixToolset.DUtil.4.0.18\build\WixToolset.DUtil.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\WixToolset.DUtil.4.0.18\build\WixToolset.DUtil.props'))" />
-    <Error Condition="!Exists('..\..\packages\WixToolset.WcaUtil.4.0.8\build\WixToolset.WcaUtil.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\WixToolset.WcaUtil.4.0.8\build\WixToolset.WcaUtil.props'))" />
+    <Error Condition="!Exists('..\..\packages\WixToolset.DUtil.4.0.30\build\WixToolset.DUtil.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\WixToolset.DUtil.4.0.30\build\WixToolset.DUtil.props'))" />
+    <Error Condition="!Exists('..\..\packages\WixToolset.WcaUtil.4.0.16\build\WixToolset.WcaUtil.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\WixToolset.WcaUtil.4.0.16\build\WixToolset.WcaUtil.props'))" />
   </Target>
 </Project>
diff --git a/src/ca/packages.config b/src/ca/packages.config
index 4e9403b..e3dc0e4 100644
--- a/src/ca/packages.config
+++ b/src/ca/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="WixToolset.DUtil" version="4.0.18" targetFramework="native" />
-  <package id="WixToolset.WcaUtil" version="4.0.8" targetFramework="native" />
+  <package id="WixToolset.DUtil" version="4.0.30" targetFramework="native" />
+  <package id="WixToolset.WcaUtil" version="4.0.16" targetFramework="native" />
 </packages>
\ No newline at end of file