diff --git a/wifi/supplicant/1.2/types.hal b/wifi/supplicant/1.2/types.hal
index 576b4f51c1..eaf2546b25 100644
--- a/wifi/supplicant/1.2/types.hal
+++ b/wifi/supplicant/1.2/types.hal
@@ -60,4 +60,5 @@ enum DppFailureCode : uint32_t {
     BUSY,
     TIMEOUT,
     FAILURE,
+    NOT_SUPPORTED,
 };