diff --git a/.changeset/social-lizards-jog.md b/.changeset/social-lizards-jog.md
new file mode 100644
index 000000000..0992eeebd
--- /dev/null
+++ b/.changeset/social-lizards-jog.md
@@ -0,0 +1,5 @@
+---
+'@asgardeo/react': patch
+---
+
+Add missing challenge token to the passkey registration
diff --git a/packages/react/src/components/presentation/auth/SignUp/v2/BaseSignUp.tsx b/packages/react/src/components/presentation/auth/SignUp/v2/BaseSignUp.tsx
index 37d604860..0409b5b12 100644
--- a/packages/react/src/components/presentation/auth/SignUp/v2/BaseSignUp.tsx
+++ b/packages/react/src/components/presentation/auth/SignUp/v2/BaseSignUp.tsx
@@ -797,6 +797,7 @@ const BaseSignUpContent: FC<BaseSignUpProps> = ({
         executionId: passkeyState.executionId as string,
         flowType: (currentFlow as any)?.flowType || 'REGISTRATION',
         inputs,
+        ...(challengeTokenRef.current ? {challengeToken: challengeTokenRef.current} : {}),
       } as any;
 
       const nextResponse: any = await onSubmit(payload);