diff --git a/libraries/botframework-schema/etc/botframework-schema.api.md b/libraries/botframework-schema/etc/botframework-schema.api.md
index 7445a8ba52..e90a9c18ec 100644
--- a/libraries/botframework-schema/etc/botframework-schema.api.md
+++ b/libraries/botframework-schema/etc/botframework-schema.api.md
@@ -1119,7 +1119,7 @@ export interface MessagingExtensionResult {
 }
 
 // @public
-export type MessagingExtensionResultType = 'result' | 'auth' | 'config' | 'message' | 'botMessagePreview';
+export type MessagingExtensionResultType = 'result' | 'auth' | 'config' | 'message' | 'botMessagePreview' | 'silentAuth';
 
 // @public
 export interface MessagingExtensionSuggestedAction {
diff --git a/libraries/botframework-schema/src/teams/index.ts b/libraries/botframework-schema/src/teams/index.ts
index 16f08fc054..b328967737 100644
--- a/libraries/botframework-schema/src/teams/index.ts
+++ b/libraries/botframework-schema/src/teams/index.ts
@@ -1700,12 +1700,18 @@ export type AttachmentLayout = 'list' | 'grid';
 
 /**
  * Defines values for MessagingExtensionResultType.
- * Possible values include: 'result', 'auth', 'config', 'message', 'botMessagePreview'
+ * Possible values include: 'result', 'auth', 'config', 'message', 'botMessagePreview', 'silentAuth'.
  *
  * @readonly
  * @enum {string}
  */
-export type MessagingExtensionResultType = 'result' | 'auth' | 'config' | 'message' | 'botMessagePreview';
+export type MessagingExtensionResultType =
+    | 'result'
+    | 'auth'
+    | 'config'
+    | 'message'
+    | 'botMessagePreview'
+    | 'silentAuth';
 
 /**
  * @deprecated Use MessagingExtensionResultType instead