diff --git a/go.mod b/go.mod
index cfbf6421099715d65bd1395743bd4af1e53acb75..8e52395bef03ee1aabb24d1b52bd69f658dc8cf6 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ require (
 	github.com/jhillyerd/enmime v1.1.0
 	github.com/oschwald/geoip2-golang v1.11.0
 	github.com/prometheus/client_golang v1.11.0
-	golang.org/x/sync v0.7.0
+	golang.org/x/sync v0.8.0
 )
 
 require (
diff --git a/go.sum b/go.sum
index 4ff781f2b98dce61672c88a36ae27abcde11025e..6ed320dd2de4fa47cffa05844d8ea61d2a7851a6 100644
--- a/go.sum
+++ b/go.sum
@@ -219,6 +219,8 @@ golang.org/x/sync v0.6.0 h1:5BMeUDZ7vkXGfEr1x9B4bRcTH4lpkTkpdh0T/J+qjbQ=
 golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
 golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
+golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 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=