diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 83b5954..8c19a71 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -13,7 +13,7 @@ jobs:
         uses: golangci/golangci-lint-action@v2
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
-          version: v1.31
+          version: v1.33
           # Optional: golangci-lint command line arguments.
           args: --issues-exit-code=0 --out-format=colored-line-number --print-issued-lines=false
           # Optional: working directory, useful for monorepos
diff --git a/upyun/fileinfo.go b/upyun/fileinfo.go
index 672178b..b908934 100644
--- a/upyun/fileinfo.go
+++ b/upyun/fileinfo.go
@@ -54,9 +54,9 @@ func parseHeaderToFileInfo(header http.Header, getinfo bool) *FileInfo {
 	} else {
 		fInfo.Size = parseStrToInt(header.Get("Content-Length"))
 		fInfo.ContentType = header.Get("Content-Type")
-		fInfo.MD5 = strings.Replace(header.Get("Content-Md5"), "\"", "", -1)
+		fInfo.MD5 = strings.ReplaceAll(header.Get("Content-Md5"), "\"", "")
 		if fInfo.MD5 == "" {
-			fInfo.MD5 = strings.Replace(header.Get("Etag"), "\"", "", -1)
+			fInfo.MD5 = strings.ReplaceAll(header.Get("Etag"), "\"", "")
 		}
 		lastM := header.Get("Last-Modified")
 		t, err := http.ParseTime(lastM)
diff --git a/upyun/rest.go b/upyun/rest.go
index 3a66492..7339385 100644
--- a/upyun/rest.go
+++ b/upyun/rest.go
@@ -85,7 +85,7 @@ type CopyObjectConfig struct {
 	Headers  map[string]string
 }
 
-//UploadFileConfig is multipart file upload config
+// UploadFileConfig is multipart file upload config
 type UploadPartConfig struct {
 	Reader   io.Reader
 	PartSize int64
@@ -97,7 +97,7 @@ type CompleteMultipartUploadConfig struct {
 type InitMultipartUploadConfig struct {
 	Path          string
 	PartSize      int64
-	ContentLength int64 //optional
+	ContentLength int64 // optional
 	ContentType   string
 	OrderUpload   bool
 }
@@ -110,7 +110,7 @@ type InitMultipartUploadResult struct {
 type DeleteObjectConfig struct {
 	Path   string
 	Async  bool
-	Folder bool //optional
+	Folder bool // optional
 }
 
 type ModifyMetadataConfig struct {
diff --git a/upyun/utils.go b/upyun/utils.go
index 014a638..8cf81a4 100644
--- a/upyun/utils.go
+++ b/upyun/utils.go
@@ -39,7 +39,7 @@ var (
 
 func makeRFC1123Date(d time.Time) string {
 	utc := d.UTC().Format(time.RFC1123)
-	return strings.Replace(utc, "UTC", "GMT", -1)
+	return strings.ReplaceAll(utc, "UTC", "GMT")
 }
 
 func makeUserAgent(version string) string {