3 files changed, 6 insertions, 4 deletions

diff --git a/src/api/burn/WixToolset.BootstrapperApplicationApi/Engine.cs b/src/api/burn/WixToolset.BootstrapperApplicationApi/Engine.cs
index 52ac90c5..25413790 100644
--- a/src/api/burn/WixToolset.BootstrapperApplicationApi/Engine.cs
+++ b/src/api/burn/WixToolset.BootstrapperApplicationApi/Engine.cs
@@ -259,9 +259,9 @@ namespace WixToolset.BootstrapperApplicationApi
         }
 
         /// <inheritdoc/>
-        public void SetUpdateSource(string url)
+        public void SetUpdateSource(string url, string authorizationHeader)
         {
-            this.engine.SetUpdateSource(url);
+            this.engine.SetUpdateSource(url, authorizationHeader);
         }
 
         /// <inheritdoc/>
diff --git a/src/api/burn/WixToolset.BootstrapperApplicationApi/IBootstrapperEngine.cs b/src/api/burn/WixToolset.BootstrapperApplicationApi/IBootstrapperEngine.cs
index 172bafe8..13702757 100644
--- a/src/api/burn/WixToolset.BootstrapperApplicationApi/IBootstrapperEngine.cs
+++ b/src/api/burn/WixToolset.BootstrapperApplicationApi/IBootstrapperEngine.cs
@@ -220,7 +220,8 @@ namespace WixToolset.BootstrapperApplicationApi
         /// Sets the URL to the update feed.
         /// </summary>
         void SetUpdateSource(
-            [MarshalAs(UnmanagedType.LPWStr)] string url
+            [MarshalAs(UnmanagedType.LPWStr)] string url,
+            [MarshalAs(UnmanagedType.LPWStr)] string wzAuthorizationHeader
             );
 
         /// <summary>
diff --git a/src/api/burn/WixToolset.BootstrapperApplicationApi/IEngine.cs b/src/api/burn/WixToolset.BootstrapperApplicationApi/IEngine.cs
index ca423309..03ceed06 100644
--- a/src/api/burn/WixToolset.BootstrapperApplicationApi/IEngine.cs
+++ b/src/api/burn/WixToolset.BootstrapperApplicationApi/IEngine.cs
@@ -156,7 +156,8 @@ namespace WixToolset.BootstrapperApplicationApi
         /// Sets the URL to the update feed.
         /// </summary>
         /// <param name="url">URL of the update feed.</param>
-        void SetUpdateSource(string url);
+        /// <param name="authorizationHeader">Additional proxy authentication header. Not currently used.</param>
+        void SetUpdateSource(string url, string authorizationHeader);
 
         /// <summary>
         /// Set the local source for a package or container.