diff --git a/proto/accounts/v1/accounts_v1.proto b/proto/accounts/v1/accounts_v1.proto
index 27bec35..af1ef9a 100644
--- a/proto/accounts/v1/accounts_v1.proto
+++ b/proto/accounts/v1/accounts_v1.proto
@@ -38,6 +38,7 @@ message SignUpRequest {
 
 message SignInRequest {
   string code = 1;
+  string verifier = 2;
 };
 
 message ResetPasswordRequest {