diff --git a/u_common.go b/u_common.go
index e98c7ce2..86eeb8ea 100644
--- a/u_common.go
+++ b/u_common.go
@@ -176,6 +176,7 @@ const (
 	helloSafari           = "Safari"
 	hello360              = "360Browser"
 	helloQQ               = "QQBrowser"
+	helloProxyman         = "Proxyman"
 
 	// versions
 	helloAutoVers = "0"
@@ -645,6 +646,9 @@ var (
 	// Chrome w/ New ALPS codepoint
 	HelloChrome_133 = ClientHelloID{helloChrome, "133", nil, nil}
 
+	//MacOS Proxyman Version 5.21.0
+	HelloProxyman_52100 = ClientHelloID{helloProxyman, "52100", nil, nil}
+
 	HelloIOS_Auto = HelloIOS_14
 	HelloIOS_11_1 = ClientHelloID{helloIOS, "111", nil, nil} // legacy "111" means 11.1
 	HelloIOS_12_1 = ClientHelloID{helloIOS, "12.1", nil, nil}
diff --git a/u_parrots.go b/u_parrots.go
index d5f60710..c0f22edb 100644
--- a/u_parrots.go
+++ b/u_parrots.go
@@ -953,6 +953,68 @@ func utlsIdToSpec(id ClientHelloID) (ClientHelloSpec, error) {
 				&UtlsGREASEExtension{},
 			}),
 		}, nil
+	case HelloProxyman_52100:
+		return ClientHelloSpec{
+			CipherSuites: []uint16{
+				TLS_AES_128_GCM_SHA256,
+				TLS_AES_256_GCM_SHA384,
+				TLS_CHACHA20_POLY1305_SHA256,
+				TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
+				TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
+				TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
+				TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
+				TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256,
+				TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
+				TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
+				TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
+				TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
+				TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
+				TLS_RSA_WITH_AES_128_GCM_SHA256,
+				TLS_RSA_WITH_AES_256_GCM_SHA384,
+				TLS_RSA_WITH_AES_128_CBC_SHA,
+				TLS_RSA_WITH_AES_256_CBC_SHA,
+			},
+			CompressionMethods: []byte{
+				0x00, // compressionNone
+			},
+			Extensions: ([]TLSExtension{
+				&SNIExtension{},
+				&ExtendedMasterSecretExtension{},
+				&RenegotiationInfoExtension{Renegotiation: RenegotiateOnceAsClient},
+				&SupportedCurvesExtension{[]CurveID{
+					X25519,
+					CurveP256,
+					CurveP384,
+				}},
+				&SupportedPointsExtension{SupportedPoints: []byte{
+					0x00,
+				}},
+				&SessionTicketExtension{},
+				&SignatureAlgorithmsExtension{SupportedSignatureAlgorithms: []SignatureScheme{
+					ECDSAWithP256AndSHA256,
+					PSSWithSHA256,
+					PKCS1WithSHA256,
+					ECDSAWithP384AndSHA384,
+					PSSWithSHA384,
+					PKCS1WithSHA384,
+					PSSWithSHA512,
+					PKCS1WithSHA512,
+					PKCS1WithSHA1,
+				}},
+				&KeyShareExtension{[]KeyShare{
+					{Group: X25519},
+				}},
+				&PSKKeyExchangeModesExtension{[]uint8{
+					PskModeDHE,
+				}},
+				&SupportedVersionsExtension{[]uint16{
+					VersionTLS13,
+					VersionTLS12,
+					VersionTLS11,
+					VersionTLS10,
+				}},
+			}),
+		}, nil
 	case HelloFirefox_55, HelloFirefox_56:
 		return ClientHelloSpec{
 			TLSVersMax: VersionTLS12,