diff --git a/go.mod b/go.mod
index 2dcfd42f..faba1bfa 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/99designs/gqlgen v0.17.16
 	github.com/atrox/haikunatorgo/v2 v2.0.1
 	github.com/datarhei/gosrt v0.2.1-0.20220817080252-d44df04a3845
-	github.com/datarhei/joy4 v0.0.0-20220914124903-6c0f2974f0ea
+	github.com/datarhei/joy4 v0.0.0-20220914170649-23c70d207759
 	github.com/go-playground/validator/v10 v10.11.0
 	github.com/gobwas/glob v0.2.3
 	github.com/golang-jwt/jwt/v4 v4.4.2
diff --git a/go.sum b/go.sum
index d2d01fff..b9367dda 100644
--- a/go.sum
+++ b/go.sum
@@ -76,8 +76,8 @@ github.com/cpuguy83/go-md2man/v2 v2.0.1/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46t
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/datarhei/gosrt v0.2.1-0.20220817080252-d44df04a3845 h1:nlVb4EVMwdVUwH6e10WZrx4lW0n2utnlE+4ILMPyD5o=
 github.com/datarhei/gosrt v0.2.1-0.20220817080252-d44df04a3845/go.mod h1:wyoTu+DG45XRuCgEq/y+R8nhZCrJbOyQKn+SwNrNVZ8=
-github.com/datarhei/joy4 v0.0.0-20220914124903-6c0f2974f0ea h1:qQw1AAJ1YC0HLMaTJzDxxTEYUG8dXVcx0dY0q1E1vnc=
-github.com/datarhei/joy4 v0.0.0-20220914124903-6c0f2974f0ea/go.mod h1:Jcw/6jZDQQmPx8A7INEkXmuEF7E9jjBbSTfVSLwmiQw=
+github.com/datarhei/joy4 v0.0.0-20220914170649-23c70d207759 h1:h8NyekuQSDvLIsZVTV172m5/RVArXkEM/cnHaUzszQU=
+github.com/datarhei/joy4 v0.0.0-20220914170649-23c70d207759/go.mod h1:Jcw/6jZDQQmPx8A7INEkXmuEF7E9jjBbSTfVSLwmiQw=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
diff --git a/vendor/github.com/datarhei/joy4/format/rtmp/rtmp.go b/vendor/github.com/datarhei/joy4/format/rtmp/rtmp.go
index 3f0f01ac..e9c0d66b 100644
--- a/vendor/github.com/datarhei/joy4/format/rtmp/rtmp.go
+++ b/vendor/github.com/datarhei/joy4/format/rtmp/rtmp.go
@@ -426,14 +426,8 @@ var CodecTypes = flv.CodecTypes
 
 func (self *Conn) writeBasicConf() (err error) {
 	// > SetChunkSize
-	if self.isserver {
-		if err = self.writeSetChunkSize(self.readMaxChunkSize); err != nil {
-			return
-		}
-	} else {
-		if err = self.writeSetChunkSize(1024 * 1024 * 1); err != nil {
-			return
-		}
+	if err = self.writeSetChunkSize(1024 * 1024 * 1); err != nil {
+		return
 	}
 	// > WindowAckSize
 	if err = self.writeWindowAckSize(1024 * 1024 * 3); err != nil {
@@ -484,10 +478,6 @@ func (self *Conn) readConnect() (err error) {
 		return
 	}
 
-	if err = self.flushWrite(); err != nil {
-		return
-	}
-
 	// > _result("NetConnection.Connect.Success")
 	if err = self.writeCommandMsg(3, 0, "_result", self.commandtransid,
 		flvio.AMFMap{
diff --git a/vendor/modules.txt b/vendor/modules.txt
index b59e92d0..5b4d5dec 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -53,7 +53,7 @@ github.com/datarhei/gosrt/internal/congestion
 github.com/datarhei/gosrt/internal/crypto
 github.com/datarhei/gosrt/internal/net
 github.com/datarhei/gosrt/internal/packet
-# github.com/datarhei/joy4 v0.0.0-20220914124903-6c0f2974f0ea
+# github.com/datarhei/joy4 v0.0.0-20220914170649-23c70d207759
 ## explicit; go 1.14
 github.com/datarhei/joy4/av
 github.com/datarhei/joy4/av/avutil