diff --git a/go.mod b/go.mod
index c9d181e4e19051bdd45dd89f42db5b3a285dfaa3..0689e3edb7defe9388caa959dd9d5b9a8c350fea 100644
--- a/go.mod
+++ b/go.mod
@@ -7,5 +7,5 @@ require (
 	github.com/jhillyerd/enmime v1.0.0
 	github.com/oschwald/geoip2-golang v1.8.0
 	github.com/prometheus/client_golang v1.11.0
-	golang.org/x/sync v0.1.0
+	golang.org/x/sync v0.3.0
 )
diff --git a/go.sum b/go.sum
index c082c6b5d3f076a87a577aaf5bd59c4552f4e851..030f3805a16f72af8debb0ed4a55f5f0dd9c6c6c 100644
--- a/go.sum
+++ b/go.sum
@@ -177,6 +177,8 @@ golang.org/x/sync v0.0.0-20220907140024-f12130a52804 h1:0SH2R3f1b1VmIMG7BXbEZCBU
 golang.org/x/sync v0.0.0-20220907140024-f12130a52804/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=
+golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=