diff --git a/utils_v2/payments/safaricom/controllers/m_pesa_express.py b/utils_v2/payments/safaricom/controllers/m_pesa_express.py
index 147b225..13e3a4c 100644
--- a/utils_v2/payments/safaricom/controllers/m_pesa_express.py
+++ b/utils_v2/payments/safaricom/controllers/m_pesa_express.py
@@ -41,6 +41,7 @@ import io
 
 # My utils:
 from utils_v2.string import json
+from utils_v2.string import regex
 from utils_v2.date_time import date_time
 
 # Data models: