diff --git a/file.go b/file.go
index 7b1db0d..2a40d99 100644
--- a/file.go
+++ b/file.go
@@ -4,10 +4,9 @@ import (
 	"context"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 
-	"github.com/imdario/mergo"
+	"dario.cat/mergo"
 	"go.unistack.org/micro/v3/codec"
 	"go.unistack.org/micro/v3/config"
 	rutil "go.unistack.org/micro/v3/util/reflect"
@@ -70,7 +69,7 @@ func (c *fileConfig) Load(ctx context.Context, opts ...config.LoadOption) error
 		}
 	}
 
-	fp, err := os.OpenFile(path, os.O_RDONLY, os.FileMode(0400))
+	fp, err := os.OpenFile(path, os.O_RDONLY, os.FileMode(0o400))
 	if err != nil {
 		if !c.opts.AllowFail {
 			return fmt.Errorf("file load path %s error: %w", path, err)
@@ -84,7 +83,7 @@ func (c *fileConfig) Load(ctx context.Context, opts ...config.LoadOption) error
 
 	defer fp.Close()
 
-	buf, err := ioutil.ReadAll(io.LimitReader(fp, int64(codec.DefaultMaxMsgSize)))
+	buf, err := io.ReadAll(io.LimitReader(fp, int64(codec.DefaultMaxMsgSize)))
 	if err != nil {
 		if !c.opts.AllowFail {
 			return err
@@ -162,7 +161,7 @@ func (c *fileConfig) Save(ctx context.Context, opts ...config.SaveOption) error
 		return nil
 	}
 
-	fp, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE, os.FileMode(0600))
+	fp, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE, os.FileMode(0o600))
 	if err != nil {
 		if !c.opts.AllowFail {
 			return err
diff --git a/go.mod b/go.mod
index 3ec0500..a7fd981 100644
--- a/go.mod
+++ b/go.mod
@@ -3,8 +3,8 @@ module go.unistack.org/micro-config-file/v3
 go 1.18
 
 require (
-	github.com/imdario/mergo v0.3.16
-	go.unistack.org/micro/v3 v3.10.36
+	dario.cat/mergo v1.0.0
+	go.unistack.org/micro/v3 v3.10.44
 )
 
-require github.com/google/uuid v1.5.0 // indirect
+require github.com/google/uuid v1.6.0 // indirect
diff --git a/go.sum b/go.sum
index 9a5e3af..6e528eb 100644
--- a/go.sum
+++ b/go.sum
@@ -1,16 +1,9 @@
-github.com/google/uuid v1.5.0 h1:1p67kYwdtXjb0gL0BPiP1Av9wiZPo5A8z2cWkTZ+eyU=
-github.com/google/uuid v1.5.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/imdario/mergo v0.3.13 h1:lFzP57bqS/wsqKssCGmtLAb8A0wKjLGrve2q3PPVcBk=
-github.com/imdario/mergo v0.3.13/go.mod h1:4lJ1jqUDcsbIECGy0RUJAXNIhg+6ocWgb1ALK2O4oXg=
-github.com/imdario/mergo v0.3.16 h1:wwQJbIsHYGMUyLSPrEq1CT16AhnhNJQ51+4fdHUnCl4=
-github.com/imdario/mergo v0.3.16/go.mod h1:WBLT9ZmE3lPoWsEzCh9LPo3TiwVN+ZKEjmz+hD27ysY=
-github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
-github.com/silas/dag v0.0.0-20211117232152-9d50aa809f35/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
-go.unistack.org/micro/v3 v3.10.16 h1:2er/SKKYbV60M+UuJM4eYCF0MZYAIq/yNUrAbTfgq8Q=
-go.unistack.org/micro/v3 v3.10.16/go.mod h1:uMAc0U/x7dmtICCrblGf0ZLgYegu3VwQAquu+OFCw1Q=
-go.unistack.org/micro/v3 v3.10.36 h1:+XPhpguDC0HldSePp5TODdMJ06+IUy1AQkYN7ub84DA=
-go.unistack.org/micro/v3 v3.10.36/go.mod h1:eUgtvbtiiz6te93m0ZdmoecbitWwjdBmmr84srmEIKA=
+dario.cat/mergo v1.0.0 h1:AGCNq9Evsj31mOgNPcLyXc+4PNABt905YmuqPYYpBWk=
+dario.cat/mergo v1.0.0/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+go.unistack.org/micro/v3 v3.10.44 h1:Vgyy9BrJOSdFvo29/klrgIBE/Nme9E8udPAljos34o0=
+go.unistack.org/micro/v3 v3.10.44/go.mod h1:erMgt3Bl7vQQ0e9UpQyR5NlLiZ9pKeEJ9+1tfYFaqUg=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v3 v3.0.0/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=