diff --git a/mapping-rfc.txt b/mapping-rfc.txt
index 1799d53..051ec20 100644
--- a/mapping-rfc.txt
+++ b/mapping-rfc.txt
@@ -160,6 +160,7 @@
 0xC4  TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256
 0xC5  TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256
 0xFF  TLS_EMPTY_RENEGOTIATION_INFO_SCSV       
+0x5600  TLS_FALLBACK_SCSV
 0xC001  TLS_ECDH_ECDSA_WITH_NULL_SHA            
 0xC002  TLS_ECDH_ECDSA_WITH_RC4_128_SHA         
 0xC003  TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA