diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 76b62d4cb..958322d4d 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -19,7 +19,7 @@ jobs:
 
     - uses: golangci/golangci-lint-action@v3
       with:
-        version: v1.55.2
+        version: v1.56.2
 
   go-mod-tidy:
     runs-on: ubuntu-20.04
diff --git a/.golangci.yml b/.golangci.yml
index d2c93841a..33a993a42 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -15,6 +15,7 @@ linters:
   - nilerr
   - prealloc
   - revive
+  - usestdlibvars
   - unconvert
   - tparallel
   - wastedassign
diff --git a/Makefile b/Makefile
index 7b38cb1f9..b3375b08f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 BASE_IMAGE = golang:1.21-alpine3.18
-LINT_IMAGE = golangci/golangci-lint:v1.55.2
+LINT_IMAGE = golangci/golangci-lint:v1.56.2
 
 .PHONY: $(shell ls)
 
diff --git a/cmd/dialects-gen/main.go b/cmd/dialects-gen/main.go
index d69f49c15..9c218d9b0 100644
--- a/cmd/dialects-gen/main.go
+++ b/cmd/dialects-gen/main.go
@@ -97,7 +97,7 @@ func shellCommand(cmdstr string) error {
 }
 
 func downloadJSON(addr string, data interface{}) error {
-	req, err := http.NewRequest("GET", addr, nil)
+	req, err := http.NewRequest(http.MethodGet, addr, nil)
 	if err != nil {
 		return err
 	}
diff --git a/endpoint_serial.go b/endpoint_serial.go
index 5b8648ee3..bd5c1095e 100644
--- a/endpoint_serial.go
+++ b/endpoint_serial.go
@@ -41,7 +41,7 @@ func (conf EndpointSerial) init(_ *Node) (Endpoint, error) {
 	t := &endpointSerial{
 		conf: conf,
 		reconnector: reconnector.New(
-			func(ctx context.Context) (io.ReadWriteCloser, error) {
+			func(_ context.Context) (io.ReadWriteCloser, error) {
 				return serialOpenFunc(conf.Device, conf.Baud)
 			},
 		),
diff --git a/endpoint_serial_test.go b/endpoint_serial_test.go
index fd0cdd45a..9a4fcbd47 100644
--- a/endpoint_serial_test.go
+++ b/endpoint_serial_test.go
@@ -16,7 +16,7 @@ func TestEndpointSerial(t *testing.T) {
 	done := make(chan struct{})
 	n := 0
 
-	serialOpenFunc = func(name string, baud int) (io.ReadWriteCloser, error) {
+	serialOpenFunc = func(_ string, _ int) (io.ReadWriteCloser, error) {
 		remote, local := newDummyReadWriterPair()
 
 		n++
@@ -133,7 +133,7 @@ func TestEndpointSerialReconnect(t *testing.T) {
 	done := make(chan struct{})
 	count := 0
 
-	serialOpenFunc = func(name string, baud int) (io.ReadWriteCloser, error) {
+	serialOpenFunc = func(_ string, _ int) (io.ReadWriteCloser, error) {
 		remote, local := newDummyReadWriterPair()
 
 		switch count {
diff --git a/pkg/reconnector/reconnector_test.go b/pkg/reconnector/reconnector_test.go
index 87eddbce6..4b9fbff58 100644
--- a/pkg/reconnector/reconnector_test.go
+++ b/pkg/reconnector/reconnector_test.go
@@ -34,7 +34,7 @@ func TestReconnector(t *testing.T) {
 	var buf dummyRWC
 
 	r := New(
-		func(ctx context.Context) (io.ReadWriteCloser, error) {
+		func(_ context.Context) (io.ReadWriteCloser, error) {
 			return &buf, nil
 		},
 	)