diff --git a/go.mod b/go.mod
index be7d389..8ffbcff 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/go-daq/smbus v0.0.0-20201216173259-5725b4593606
 	github.com/go-kit/log v0.2.1
 	github.com/stianeikeland/go-rpio/v4 v4.6.0
-	github.com/xaque208/znet v0.31.6
+	github.com/xaque208/znet v0.31.9
 )
 
 require github.com/go-logfmt/logfmt v0.5.1 // indirect
diff --git a/go.sum b/go.sum
index ecdfcb5..19d8ba6 100644
--- a/go.sum
+++ b/go.sum
@@ -689,6 +689,8 @@ github.com/xaque208/znet v0.31.5 h1:78esy630h8GIzmS984BJ6dQsyhKDjzIyyBNQyOYdCfQ=
 github.com/xaque208/znet v0.31.5/go.mod h1:v/Tl0aJLsEJPzkYLxa/zJvV2hIvk4wvlXKdUdSUjvCo=
 github.com/xaque208/znet v0.31.6 h1:o0Yjl4Mvw6aDXJHe0GAX59NHofYgzNSTSIN8f56FhSM=
 github.com/xaque208/znet v0.31.6/go.mod h1:v/Tl0aJLsEJPzkYLxa/zJvV2hIvk4wvlXKdUdSUjvCo=
+github.com/xaque208/znet v0.31.9 h1:/zKdtWz5oDEPIAPQBs3khNH4wMwQ/zf/iXmm1Hoc2AQ=
+github.com/xaque208/znet v0.31.9/go.mod h1:v/Tl0aJLsEJPzkYLxa/zJvV2hIvk4wvlXKdUdSUjvCo=
 github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=
 github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415/go.mod h1:GwrjFmJcFw6At/Gs6z4yjiIwzuJ1/+UwLxMQDVQXShQ=
 github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQluxsYJ78Id3Y=
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 7de2344..06e6722 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -12,6 +12,6 @@ github.com/go-logfmt/logfmt
 # github.com/stianeikeland/go-rpio/v4 v4.6.0
 ## explicit; go 1.15
 github.com/stianeikeland/go-rpio/v4
-# github.com/xaque208/znet v0.31.6
+# github.com/xaque208/znet v0.31.9
 ## explicit; go 1.13
 github.com/xaque208/znet/pkg/util