diff --git a/u_common.go b/u_common.go
index de395ad..2beb1e6 100644
--- a/u_common.go
+++ b/u_common.go
@@ -39,6 +39,7 @@ const (
 
 	FAKE_TLS_DHE_RSA_WITH_AES_128_CBC_SHA  = uint16(0x0033)
 	FAKE_TLS_DHE_RSA_WITH_AES_256_CBC_SHA  = uint16(0x0039)
+	FAKE_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384  = uint16(0x009f)
 	FAKE_TLS_RSA_WITH_RC4_128_MD5          = uint16(0x0004)
 	FAKE_TLS_EMPTY_RENEGOTIATION_INFO_SCSV = uint16(0x00ff)
 )