diff --git a/.github/workflows/go-vet.yml b/.github/workflows/go-vet.yml
index ed30d12..b92fa08 100644
--- a/.github/workflows/go-vet.yml
+++ b/.github/workflows/go-vet.yml
@@ -11,7 +11,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@master
         with:
-          go-version: "1.20"
+          go-version: "1.22"
 
       - name: Check out code into the Go module directory
         uses: actions/checkout@master
@@ -32,7 +32,7 @@ jobs:
       - name: Set up Go 1.x
         uses: actions/setup-go@master
         with:
-          go-version: "1.20"
+          go-version: "1.22"
 
       - name: Check out code into the Go module directory
         uses: actions/checkout@master
diff --git a/.golangci.yml b/.golangci.yml
index 290397a..b500417 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -53,7 +53,7 @@ run:
   deadline: 5m
   issues-exit-code: 1
   tests: false
-  go: '1.20'
+  go: '1.22'
 
 # output configuration options
 output:
diff --git a/cmd/main.go b/cmd/main.go
index 0e9180a..9b7b0fd 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -1,3 +1,4 @@
+// Package main ...
 package main
 
 import (
diff --git a/dns/dns.go b/dns/dns.go
index 173aa3f..e97cfca 100644
--- a/dns/dns.go
+++ b/dns/dns.go
@@ -1,3 +1,4 @@
+// Package dns with DoT/DoH supports
 package dns
 
 import (
diff --git a/go.mod b/go.mod
index 1308bd0..b482806 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/fumiama/terasu
 
-go 1.20
+go 1.22
 
 require (
 	github.com/FloatTech/ttl v0.0.0-20250224045156-012b1463287d
diff --git a/http/http.go b/http/http.go
index 946c70c..b4aa946 100644
--- a/http/http.go
+++ b/http/http.go
@@ -1,3 +1,4 @@
+// Package http is the same as the standard http lib
 package http
 
 import (
diff --git a/http2/http2.go b/http2/http2.go
index e31e24f..f5630c8 100644
--- a/http2/http2.go
+++ b/http2/http2.go
@@ -1,3 +1,4 @@
+// Package http2 is the same as the standard http lib with HTTP2 client support
 package http2
 
 import (
diff --git a/ip/ipv6.go b/ip/ipv6.go
index 0ba5fef..17c339b 100644
--- a/ip/ipv6.go
+++ b/ip/ipv6.go
@@ -1,3 +1,4 @@
+// Package ip contains IP-related configs
 package ip
 
 var IsIPv6Available = false