diff --git a/package.json b/package.json
index e364381..dfe847a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "discord-interactions",
-  "version": "4.0.0",
+  "version": "4.1.0",
   "description": "Helpers for discord interactions",
   "main": "dist/index.js",
   "license": "MIT",
diff --git a/src/index.ts b/src/index.ts
index a3bac65..000252e 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -63,6 +63,11 @@ export enum InteractionResponseType {
 	 * Respond with an upgrade prompt.
 	 */
 	PREMIUM_REQUIRED = 10,
+
+	/**
+	 * Launch an Activity.
+	 */
+	LAUNCH_ACTIVITY = 12,
 }
 
 /**