diff --git a/X509-ML-KEM-2024.asn b/X509-ML-KEM-2024.asn
index 1a6161d..fa6380d 100644
--- a/X509-ML-KEM-2024.asn
+++ b/X509-ML-KEM-2024.asn
@@ -61,7 +61,7 @@ PublicKeys PUBLIC-KEY ::= {
   }
 
 --
--- ML-KEM Public Keys
+-- ML-KEM Public Keys & Private Key
 --
 
 pk-ml-kem-512 PUBLIC-KEY ::= {
@@ -88,4 +88,8 @@ pk-ml-kem-1024 PUBLIC-KEY ::= {
   --- PRIVATE-KEY no ASN.1 wrapping --
   }
 
+ML-KEM-PublicKey ::= OCTET STRING (SIZE (800 | 1184 | 1568))
+
+ML-KEM-PrivateKey ::= OCTET STRING (SIZE (64))
+
 END