diff --git a/README.md b/README.md
index 84034fd0..38912a95 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ There are 3 ways of installing lal:
 
 ### 1. Building from source
 
-First, make sure that Go version >= 1.16
+First, make sure that Go version >= 1.18
 
 For Linux/macOS user:
 
diff --git a/go.mod b/go.mod
index a542ea7a..48ed05e7 100644
--- a/go.mod
+++ b/go.mod
@@ -1,5 +1,5 @@
 module github.com/q191201771/lal
 
-go 1.16
+go 1.18
 
 require github.com/q191201771/naza v0.30.48
diff --git a/go.sum b/go.sum
index 10d5632f..a11013c8 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,2 @@
-github.com/q191201771/naza v0.30.12 h1:Wc8ci//KI9XpZLX06uRNCA4XbSsiu6OmP7+5eLtgLn0=
-github.com/q191201771/naza v0.30.12/go.mod h1:n+dpJjQSh90PxBwxBNuifOwQttywvSIN5TkWSSYCeBk=
 github.com/q191201771/naza v0.30.48 h1:lbYUaa7A15kJKYwOiU4AbFS1Zo8oQwppl2tLEbJTqnw=
 github.com/q191201771/naza v0.30.48/go.mod h1:n+dpJjQSh90PxBwxBNuifOwQttywvSIN5TkWSSYCeBk=