diff --git a/.circleci/config.yml b/.circleci/config.yml
index 7499579a..b8dca0e9 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -2,7 +2,7 @@ version: 2
 jobs:
   go-version-latest:
     docker:
-      - image: cimg/go:1.19-node
+      - image: cimg/go:1.20-node
     resource_class: large
     steps:
       - checkout
@@ -10,7 +10,7 @@ jobs:
       - run: make alltest
   go-version-last:
     docker:
-      - image: cimg/go:1.18-node
+      - image: cimg/go:1.19-node
     resource_class: large
     steps:
       - checkout
diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
index c9051f38..0aa1c5dd 100644
--- a/.github/workflows/golangci-lint.yml
+++ b/.github/workflows/golangci-lint.yml
@@ -16,13 +16,13 @@ jobs:
     steps:
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.19
+          go-version: '1.20'
       - uses: actions/checkout@v3
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3
         with:
           # Optional: version of golangci-lint to use in form of v1.2 or v1.2.3 or `latest` to use the latest version
-          version: v1.49.0
+          version: v1.51
 
           # Optional: golangci-lint command line arguments.
           # args: --issues-exit-code=0
diff --git a/.github/workflows/goreleaser.yml b/.github/workflows/goreleaser.yml
index d0234d5a..484167aa 100644
--- a/.github/workflows/goreleaser.yml
+++ b/.github/workflows/goreleaser.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v3
         with:
-          go-version: 1.19
+          go-version: '1.20'
           
       - name: Make All
         run: |
diff --git a/.golangci.yml b/.golangci.yml
index 39c8e3f7..0fe5d726 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -1,6 +1,5 @@
 service:
-  # When updating this, also update the version stored in docker/build-tools/Dockerfile in the istio/tools repo.
-  golangci-lint-version: 1.49.x # use the fixed version to not introduce new linters unexpectedly
+  golangci-lint-version: 1.51.x # use the fixed version to not introduce new linters unexpectedly
   
 run:
   concurrency: 4
@@ -127,6 +126,11 @@ issues:
         - errcheck
         - maligned
 
+    # keep it until we only support go1.20
+    - linters:
+        - staticcheck
+      text: "SA1019: rand.Seed has been deprecated"
+
   # Independently from option `exclude` we use default exclude patterns,
   # it can be disabled by this option. To list all
   # excluded by default patterns execute `golangci-lint run --help`.
diff --git a/client/service.go b/client/service.go
index c8d92c6d..90d5b3a0 100644
--- a/client/service.go
+++ b/client/service.go
@@ -19,7 +19,6 @@ import (
 	"crypto/tls"
 	"fmt"
 	"io"
-	"math/rand"
 	"net"
 	"runtime"
 	"strconv"
@@ -47,7 +46,6 @@ import (
 
 func init() {
 	crypto.DefaultSalt = "frp"
-	rand.Seed(time.Now().UnixNano())
 }
 
 // Service is a client service.
diff --git a/cmd/frps/main.go b/cmd/frps/main.go
index 56477aad..a7c1e9b4 100644
--- a/cmd/frps/main.go
+++ b/cmd/frps/main.go
@@ -15,9 +15,6 @@
 package main
 
 import (
-	"math/rand"
-	"time"
-
 	"github.com/fatedier/golib/crypto"
 
 	_ "github.com/fatedier/frp/assets/frps"
@@ -26,7 +23,6 @@ import (
 
 func main() {
 	crypto.DefaultSalt = "frp"
-	rand.Seed(time.Now().UnixNano())
 
 	Execute()
 }
diff --git a/dockerfiles/Dockerfile-for-frpc b/dockerfiles/Dockerfile-for-frpc
index b749be07..96a3d8b9 100644
--- a/dockerfiles/Dockerfile-for-frpc
+++ b/dockerfiles/Dockerfile-for-frpc
@@ -1,4 +1,4 @@
-FROM golang:1.19 AS building
+FROM golang:1.20 AS building
 
 COPY . /building
 WORKDIR /building
diff --git a/dockerfiles/Dockerfile-for-frps b/dockerfiles/Dockerfile-for-frps
index cd716123..12d52012 100644
--- a/dockerfiles/Dockerfile-for-frps
+++ b/dockerfiles/Dockerfile-for-frps
@@ -1,4 +1,4 @@
-FROM golang:1.19 AS building
+FROM golang:1.20 AS building
 
 COPY . /building
 WORKDIR /building
diff --git a/go.mod b/go.mod
index 386aedb1..dd631841 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/fatedier/frp
 
-go 1.19
+go 1.20
 
 require (
 	github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5