diff --git a/docs/usage.md b/docs/usage.md
index c7c6ffa..7220ced 100644
--- a/docs/usage.md
+++ b/docs/usage.md
@@ -51,6 +51,8 @@ Enumerates the types of challenges supported.
 
 ```typescript
 enum ChallengeType {
+  INITIALIZE,
+  SET_PIN,
   RESTORE_PIN,
   SET_SECURITY_QUESTIONS,
   CREATE_WALLET,
diff --git a/package.json b/package.json
index 500bf74..004ef95 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@circle-fin/w3s-pw-web-sdk",
-  "version": "1.1.5",
+  "version": "1.1.6",
   "description": "Javascript/Typescript SDK for Circle Programmable Wallets",
   "main": "dist/src/index.js",
   "types": "dist/src/index.d.ts",
diff --git a/src/types.ts b/src/types.ts
index 8559970..c6d0740 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -19,6 +19,7 @@ import type { FirebaseOptions } from 'firebase/app'
  * ChallengeType.
  */
 export enum ChallengeType {
+  INITIALIZE = 'INITIALIZE',
   SET_PIN = 'SET_PIN',
   CHANGE_PIN = 'CHANGE_PIN',
   RESTORE_PIN = 'RESTORE_PIN',