diff --git a/ask-sdk-model/index.ts b/ask-sdk-model/index.ts
index 8321548..cc581b0 100644
--- a/ask-sdk-model/index.ts
+++ b/ask-sdk-model/index.ts
@@ -466,6 +466,7 @@ export interface Context {
     'Geolocation'?: interfaces.geolocation.GeolocationState;
     'Viewport'?: interfaces.viewport.ViewportState;
     'Viewports'?: Array<interfaces.viewport.TypedViewportState>;
+    'Extensions'?: interfaces.alexa.extension.ExtensionsState;
 }
 
 /**
@@ -916,6 +917,25 @@ export namespace interfaces.alexa.comms.messagingcontroller {
     }
 }
 
+export namespace interfaces.alexa.extension {
+    /**
+     * This object describes an extension that skill can request at runtime.
+     * @interface
+     */
+    export interface AvailableExtension {
+    }
+}
+
+export namespace interfaces.alexa.extension {
+    /**
+     *
+     * @interface
+     */
+    export interface ExtensionsState {
+        'available': { [key: string]: interfaces.alexa.extension.AvailableExtension; };
+    }
+}
+
 export namespace interfaces.alexa.presentation.apl {
     /**
      *
diff --git a/ask-sdk-model/package.json b/ask-sdk-model/package.json
index 44de3d0..1875ad8 100644
--- a/ask-sdk-model/package.json
+++ b/ask-sdk-model/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ask-sdk-model",
-  "version": "1.32.0",
+  "version": "1.33.0",
   "description": "Model package for Alexa Skills Kit SDK",
   "main": "index.js",
   "types": "index.d.ts",