diff --git a/lang/cpp/src/key.h b/lang/cpp/src/key.h
index 8d92b0d4..ddcd3bb8 100644
--- a/lang/cpp/src/key.h
+++ b/lang/cpp/src/key.h
@@ -301,6 +301,7 @@ public:
         AlgoRSA     = 1,
         AlgoRSA_E   = 2,
         AlgoRSA_S   = 3,
+        AlgoKyber   = 8,
         AlgoELG_E   = 16,
         AlgoDSA     = 17,
         AlgoECC     = 18,