diff --git a/app/cmd/client.go b/app/cmd/client.go
index e913d12b..f5a45613 100644
--- a/app/cmd/client.go
+++ b/app/cmd/client.go
@@ -42,6 +42,7 @@ import (
 	"github.com/apernet/hysteria/extras/v2/obfs"
 	"github.com/apernet/hysteria/extras/v2/realm"
 	"github.com/apernet/hysteria/extras/v2/transport/udphop"
+	"github.com/apernet/quic-go"
 )
 
 // Ref: https://ip.skk.moe/stun
@@ -170,6 +171,7 @@ type clientConfigQUIC struct {
 	KeepAlivePeriod             time.Duration            `mapstructure:"keepAlivePeriod"`
 	DisablePathMTUDiscovery     bool                     `mapstructure:"disablePathMTUDiscovery"`
 	DisableChromeParrot         bool                     `mapstructure:"disableChromeParrot"`
+	Version                     string                   `mapstructure:"version"`
 	Sockopts                    clientConfigQUICSockopts `mapstructure:"sockopts"`
 }
 
@@ -459,7 +461,21 @@ func (c *clientConfig) validateMimic() error {
 }
 
 func (c *clientConfig) fillQUICConfig(hyConfig *client.Config) error {
+	var version quic.Version
+	switch c.QUIC.Version {
+	case "":
+	case "v1":
+		version = quic.Version1
+	case "v2":
+		version = quic.Version2
+		if !c.QUIC.DisableChromeParrot {
+			logger.Warn("Chrome parrot is disabled when using QUIC v2")
+		}
+	default:
+		return configError{Field: "quic.version", Err: errors.New("must be v1 or v2")}
+	}
 	hyConfig.QUICConfig = client.QUICConfig{
+		Version:                        version,
 		InitialStreamReceiveWindow:     c.QUIC.InitStreamReceiveWindow,
 		MaxStreamReceiveWindow:         c.QUIC.MaxStreamReceiveWindow,
 		InitialConnectionReceiveWindow: c.QUIC.InitConnectionReceiveWindow,
diff --git a/app/cmd/client_test.go b/app/cmd/client_test.go
index 5451910d..76d609ca 100644
--- a/app/cmd/client_test.go
+++ b/app/cmd/client_test.go
@@ -73,6 +73,7 @@ func TestClientConfig(t *testing.T) {
 			KeepAlivePeriod:             4 * time.Second,
 			DisablePathMTUDiscovery:     true,
 			DisableChromeParrot:         true,
+			Version:                     "v2",
 			Sockopts: clientConfigQUICSockopts{
 				BindInterface:       stringRef("eth0"),
 				FirewallMark:        uint32Ref(1234),
diff --git a/app/cmd/client_test.yaml b/app/cmd/client_test.yaml
index 76022c7e..51353296 100644
--- a/app/cmd/client_test.yaml
+++ b/app/cmd/client_test.yaml
@@ -49,6 +49,7 @@ quic:
   keepAlivePeriod: 4s
   disablePathMTUDiscovery: true
   disableChromeParrot: true
+  version: v2
   sockopts:
     bindInterface: eth0
     fwmark: 1234
diff --git a/app/go.mod b/app/go.mod
index b5e88b5e..88c965a7 100644
--- a/app/go.mod
+++ b/app/go.mod
@@ -8,6 +8,7 @@ require (
 	github.com/apernet/go-tproxy v0.0.0-20230809025308-8f4723fd742f
 	github.com/apernet/hysteria/core/v2 v2.0.0-00010101000000-000000000000
 	github.com/apernet/hysteria/extras/v2 v2.0.0-00010101000000-000000000000
+	github.com/apernet/quic-go v0.61.1-0.20260806010916-184d081eef3e
 	github.com/apernet/sing-tun v0.2.6-0.20250920121535-299f04629986
 	github.com/caddyserver/certmagic v0.25.4
 	github.com/libdns/cloudflare v0.2.2
@@ -33,7 +34,6 @@ require (
 
 require (
 	github.com/andybalholm/brotli v1.1.0 // indirect
-	github.com/apernet/quic-go v0.61.1-0.20260806010916-184d081eef3e // indirect
 	github.com/caddyserver/zerossl v0.1.5 // indirect
 	github.com/database64128/netx-go v0.1.1 // indirect
 	github.com/database64128/tfo-go/v2 v2.3.3 // indirect
diff --git a/core/client/client.go b/core/client/client.go
index a638cc2e..a4a8ea64 100644
--- a/core/client/client.go
+++ b/core/client/client.go
@@ -94,6 +94,9 @@ func (c *clientImpl) connect() (*HandshakeInfo, error) {
 		DisablePathManager:             true,
 		ChromeParrot:                   !c.config.QUICConfig.DisableChromeParrot,
 	}
+	if v := c.config.QUICConfig.Version; v != 0 {
+		quicConfig.Versions = []quic.Version{v}
+	}
 	tr := &quic.Transport{Conn: pktConn, DisableGSO: c.config.QUICConfig.DisableGSO}
 	if !c.config.QUICConfig.DisableChromeParrot {
 		// Chrome uses a zero-length source connection ID. This has to be set on the
diff --git a/core/client/config.go b/core/client/config.go
index 131a213a..7a171ee9 100644
--- a/core/client/config.go
+++ b/core/client/config.go
@@ -9,6 +9,7 @@ import (
 	"github.com/apernet/hysteria/core/v2/errors"
 	"github.com/apernet/hysteria/core/v2/internal/congestion"
 	"github.com/apernet/hysteria/core/v2/internal/pmtud"
+	"github.com/apernet/quic-go"
 )
 
 const (
@@ -74,6 +75,13 @@ func (c *Config) verifyAndFill() error {
 		return errors.ConfigError{Field: "QUICConfig.KeepAlivePeriod", Reason: "must be between 2s and 60s"}
 	}
 	c.QUICConfig.DisablePathMTUDiscovery = c.QUICConfig.DisablePathMTUDiscovery || pmtud.DisablePathMTUDiscovery
+	if v := c.QUICConfig.Version; v != 0 && v != quic.Version1 && v != quic.Version2 {
+		return errors.ConfigError{Field: "QUICConfig.Version", Reason: "must be v1 or v2"}
+	}
+	if c.QUICConfig.Version == quic.Version2 {
+		// The parrot advertises v1 in version_information, and Chrome never offers v2.
+		c.QUICConfig.DisableChromeParrot = true
+	}
 	var err error
 	c.CongestionConfig.Type, err = congestion.NormalizeType(c.CongestionConfig.Type)
 	if err != nil {
@@ -120,7 +128,8 @@ type QUICConfig struct {
 	KeepAlivePeriod                time.Duration
 	DisablePathMTUDiscovery        bool // The server may still override this to true on unsupported platforms.
 	DisableGSO                     bool
-	DisableChromeParrot            bool // Chrome QUIC fingerprint parroting is on by default.
+	DisableChromeParrot            bool         // Chrome QUIC fingerprint parroting is on by default.
+	Version                        quic.Version // v1 or v2. Zero = quic-go default (v1).
 }
 
 type CongestionConfig struct {