diff --git a/MYOB.API.SDK/SDK/Contracts/Version2/Contact/EmployeePayrollDetails.cs b/MYOB.API.SDK/SDK/Contracts/Version2/Contact/EmployeePayrollDetails.cs
index 2010790..083de4a 100644
--- a/MYOB.API.SDK/SDK/Contracts/Version2/Contact/EmployeePayrollDetails.cs
+++ b/MYOB.API.SDK/SDK/Contracts/Version2/Contact/EmployeePayrollDetails.cs
@@ -161,7 +161,12 @@ public enum PayFrequency
         /// <summary>
         /// Monthly
         /// </summary>
-        Monthly = 3
+        Monthly = 3,
+
+        /// <summary>
+        /// Quarterly
+        /// </summary>
+        Quarterly = 4
     }
 
     /// <summary>