diff --git a/net/transport/quic/conn.go b/net/transport/quic/conn.go
index a160dbf3..8563c74c 100644
--- a/net/transport/quic/conn.go
+++ b/net/transport/quic/conn.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"net"
+	"time"
 
 	"github.com/quic-go/quic-go"
 
@@ -11,16 +12,18 @@ import (
 	"github.com/anyproto/any-sync/net/transport"
 )
 
-func newConn(cctx context.Context, qconn quic.Connection) transport.MultiConn {
+func newConn(cctx context.Context, qconn quic.Connection, writeTimeout time.Duration) transport.MultiConn {
 	cctx = peer.CtxWithPeerAddr(cctx, transport.Quic+"://"+qconn.RemoteAddr().String())
 	return &quicMultiConn{
-		cctx:       cctx,
-		Connection: qconn,
+		cctx:         cctx,
+		Connection:   qconn,
+		writeTimeout: writeTimeout,
 	}
 }
 
 type quicMultiConn struct {
-	cctx context.Context
+	cctx         context.Context
+	writeTimeout time.Duration
 	quic.Connection
 }
 
@@ -39,9 +42,10 @@ func (q *quicMultiConn) Accept() (conn net.Conn, err error) {
 		return nil, err
 	}
 	return quicNetConn{
-		Stream:     stream,
-		localAddr:  q.LocalAddr(),
-		remoteAddr: q.RemoteAddr(),
+		Stream:       stream,
+		localAddr:    q.LocalAddr(),
+		remoteAddr:   q.RemoteAddr(),
+		writeTimeout: q.writeTimeout,
 	}, nil
 }
 
@@ -84,6 +88,7 @@ const (
 
 type quicNetConn struct {
 	quic.Stream
+	writeTimeout          time.Duration
 	localAddr, remoteAddr net.Addr
 }
 
@@ -98,6 +103,15 @@ func (q quicNetConn) Close() error {
 	return q.Stream.Close()
 }
 
+func (q quicNetConn) Write(b []byte) (n int, err error) {
+	if q.writeTimeout > 0 {
+		if err = q.Stream.SetWriteDeadline(time.Now().Add(q.writeTimeout)); err != nil {
+			return
+		}
+	}
+	return q.Stream.Write(b)
+}
+
 func (q quicNetConn) LocalAddr() net.Addr {
 	return q.localAddr
 }
diff --git a/net/transport/quic/quic.go b/net/transport/quic/quic.go
index dbd712ca..27c7b786 100644
--- a/net/transport/quic/quic.go
+++ b/net/transport/quic/quic.go
@@ -147,7 +147,7 @@ func (q *quicTransport) Dial(ctx context.Context, addr string) (mc transport.Mul
 		return nil, err
 	}
 
-	return newConn(cctx, qConn), nil
+	return newConn(cctx, qConn, time.Second*time.Duration(q.conf.WriteTimeoutSec)), nil
 }
 
 func (q *quicTransport) acceptLoop(ctx context.Context, list *quic.Listener) {
@@ -199,7 +199,7 @@ func (q *quicTransport) accept(conn quic.Connection) (err error) {
 		}()
 		return
 	}
-	mc := newConn(cctx, conn)
+	mc := newConn(cctx, conn, time.Second*time.Duration(q.conf.WriteTimeoutSec))
 	return q.accepter.Accept(mc)
 }