2 files changed, 3 insertions, 0 deletions

diff --git a/src/wix/Program.cs b/src/wix/Program.cs
index 3b6c45bc..dcf575f7 100644
--- a/src/wix/Program.cs
+++ b/src/wix/Program.cs
@@ -8,6 +8,7 @@ namespace WixToolset.Tools
     using System.Threading.Tasks;
     using WixToolset.Converters;
     using WixToolset.Core;
+    using WixToolset.Core.ExtensionCache;
     using WixToolset.Data;
     using WixToolset.Extensibility;
     using WixToolset.Extensibility.Data;
@@ -39,6 +40,7 @@ namespace WixToolset.Tools
             try
             {
                 var serviceProvider = WixToolsetServiceProviderFactory.CreateServiceProvider()
+                                                                      .AddExtensionCacheManager()
                                                                       .AddConverter();
 
                 return await Run(serviceProvider, listener, args, cts.Token);
diff --git a/src/wix/wix.csproj b/src/wix/wix.csproj
index 2507de33..4deeee86 100644
--- a/src/wix/wix.csproj
+++ b/src/wix/wix.csproj
@@ -23,6 +23,7 @@
   <ItemGroup>
     <PackageReference Include="WixToolset.Converters" Version="4.0.*" />
     <PackageReference Include="WixToolset.Core.Burn" Version="4.0.*" />
+    <PackageReference Include="WixToolset.Core.ExtensionCache" Version="4.0.*" />
     <PackageReference Include="WixToolset.Core.WindowsInstaller" Version="4.0.*" />
   </ItemGroup>