diff --git a/file.go b/file.go
index e91a798..3db148b 100644
--- a/file.go
+++ b/file.go
@@ -1,4 +1,4 @@
-package file // import "go.unistack.org/micro-config-file/v4"
+package file
 
 import (
 	"context"
@@ -6,7 +6,7 @@ import (
 	"io"
 	"os"
 
-	"github.com/imdario/mergo"
+	"dario.cat/mergo"
 	"go.unistack.org/micro/v4/codec"
 	"go.unistack.org/micro/v4/config"
 	"go.unistack.org/micro/v4/options"
@@ -70,7 +70,7 @@ func (c *fileConfig) Load(ctx context.Context, opts ...options.Option) 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)
@@ -162,7 +162,7 @@ func (c *fileConfig) Save(ctx context.Context, opts ...options.Option) 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 2939fe4..82619ab 100644
--- a/go.mod
+++ b/go.mod
@@ -3,11 +3,8 @@ module go.unistack.org/micro-config-file/v4
 go 1.20
 
 require (
-	github.com/imdario/mergo v0.3.16
-	go.unistack.org/micro/v4 v4.0.15
+	dario.cat/mergo v1.0.0
+	go.unistack.org/micro/v4 v4.0.17
 )
 
-require (
-	dario.cat/mergo v1.0.0 // indirect
-	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 c7fbbc2..967aa03 100644
--- a/go.sum
+++ b/go.sum
@@ -1,18 +1,9 @@
 dario.cat/mergo v1.0.0 h1:AGCNq9Evsj31mOgNPcLyXc+4PNABt905YmuqPYYpBWk=
 dario.cat/mergo v1.0.0/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
-github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
-github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-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 v0.3.15 h1:M8XP7IuFNsqUx6VPK2P9OSmsYsI/YFaGil0uD21V3dM=
-github.com/imdario/mergo v0.3.16 h1:wwQJbIsHYGMUyLSPrEq1CT16AhnhNJQ51+4fdHUnCl4=
-github.com/imdario/mergo v0.3.16/go.mod h1:WBLT9ZmE3lPoWsEzCh9LPo3TiwVN+ZKEjmz+hD27ysY=
-go.unistack.org/micro/v4 v4.0.1 h1:xo1IxbVfgh8i0eY0VeYa3cbb13u5n/Mxnp3FOgWD4Jo=
-go.unistack.org/micro/v4 v4.0.1/go.mod h1:p/J5UcSJjfHsWGT31uKoghQ5rUQZzQJBAFy+Z4+ZVMs=
-go.unistack.org/micro/v4 v4.0.6 h1:YFWvTh3VwyOd6NHYTQcf47n2TF5+p/EhpnbuBQX3qhk=
-go.unistack.org/micro/v4 v4.0.6/go.mod h1:bVEYTlPi0EsdgZZt311bIroDg9ict7ky3C87dSCCAGk=
-go.unistack.org/micro/v4 v4.0.15 h1:o4++RYX5guVPxfcJpP7VCj2Xr9BPFo6fj4+b5FStdEI=
-go.unistack.org/micro/v4 v4.0.15/go.mod h1:ZDgU9931vm2l7X6RN/6UuwRIVp24GRdmQ7dKmegArk4=
+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/v4 v4.0.17 h1:mF7uM+J4ILdG+1fcwzKYCwDlxhdbF/e1WnGzKKLnIXc=
+go.unistack.org/micro/v4 v4.0.17/go.mod h1:ZDgU9931vm2l7X6RN/6UuwRIVp24GRdmQ7dKmegArk4=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=