diff --git a/pin_auth/v1_1/PinAuthTypes.idl b/pin_auth/v1_1/PinAuthTypes.idl
index 3cf0ba02b28250e2220f9807b0093677730fb17a..cfdd64ce6a0eadbfee047658ffbac89f636093e4 100644
--- a/pin_auth/v1_1/PinAuthTypes.idl
+++ b/pin_auth/v1_1/PinAuthTypes.idl
@@ -50,7 +50,8 @@ enum GetPropertyType : int {
     /**< Indicates that the property to get is lockout duration. */
     LOCKOUT_DURATION = 2,
     /**< Indicates that the property to get is remain attempts. */
-    REMAIN_ATTEMPTS = 3
+    REMAIN_ATTEMPTS = 3,
+    NEXT_FAIL_LOCKOUT_DURATION = 6
 };
 
 /**
@@ -66,5 +67,6 @@ struct Property {
     int lockoutDuration;
     /**< Indicates remain attempts. */
     int remainAttempts;
+    int nextFailLockoutDuration;
 };
 /** @} */
\ No newline at end of file