diff --git a/go.mod b/go.mod
index 85959d1..31ee1da 100644
--- a/go.mod
+++ b/go.mod
@@ -10,7 +10,7 @@ require (
 	go.osspkg.com/errors v0.3.1
 	go.osspkg.com/events v0.3.0
 	go.osspkg.com/logx v0.6.0
-	go.osspkg.com/syncing v0.4.0
+	go.osspkg.com/syncing v0.4.2
 	go.osspkg.com/xc v0.4.0
 )
 
diff --git a/go.sum b/go.sum
index f4e1a0b..0ecb727 100644
--- a/go.sum
+++ b/go.sum
@@ -20,8 +20,8 @@ go.osspkg.com/ioutils v0.7.1 h1:WDZy6IC2X6jaEN8BAjOo5XyWNL8ZjOxWuBFsh6PWzMs=
 go.osspkg.com/ioutils v0.7.1/go.mod h1:aWpiOxKyM6TNs3USc7X29nbv8E7Ibat/+Mtp5RRibRI=
 go.osspkg.com/logx v0.6.0 h1:2eP/NaEyJ8QAgzkk29b9klxkaMWaXiIycphdm/hk9jA=
 go.osspkg.com/logx v0.6.0/go.mod h1:/Qc1ykuB9V+VZjZkRdu2bVPDrRlixyePriiIy08vAMU=
-go.osspkg.com/syncing v0.4.0 h1:9ytMfGHd6Ew69D2n/1syj0FTujNfb1KBiUSZ+KsMTqk=
-go.osspkg.com/syncing v0.4.0/go.mod h1:/LBmgCAHFW6nQgVDILpEuo6eRCFK1yyFeNbDs4eVNls=
+go.osspkg.com/syncing v0.4.2 h1:SXDmSv6nzPCDx91CWqalGrQS8tf+1GeQx5Mn+Jt75+c=
+go.osspkg.com/syncing v0.4.2/go.mod h1:/LBmgCAHFW6nQgVDILpEuo6eRCFK1yyFeNbDs4eVNls=
 go.osspkg.com/xc v0.4.0 h1:MGntRGa3EPCpfrTbWEN7x475BAsAtRYGpYEYJ5mE0I8=
 go.osspkg.com/xc v0.4.0/go.mod h1:HWDrUQOKMkQser1teXqnFNMB1WVD0YsyIuM1vIKny7U=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=