diff --git a/file/json.go b/file/json.go
index 188ba32..4149ea7 100644
--- a/file/json.go
+++ b/file/json.go
@@ -4,12 +4,12 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"os"
 )
 
 const (
-	fileModeReadWrite = 0600 // nolint
+	fileModeReadWrite = 0600 //nolint
 	indent            = "    "
 	prefix            = ""
 )
@@ -29,7 +29,7 @@ func PrepareJSONData(payload interface{}) ([]byte, error) {
 }
 
 func CreateJSONFile(path string, data []byte) error {
-	err := ioutil.WriteFile(path, data, fileModeReadWrite)
+	err := os.WriteFile(path, data, fileModeReadWrite)
 	if err != nil {
 		return fmt.Errorf("failed to write json to file: %w", err)
 	}
@@ -44,7 +44,7 @@ func ReadJSONFile(path string, result interface{}) error {
 	}
 	defer file.Close()
 
-	data, err := ioutil.ReadAll(file)
+	data, err := io.ReadAll(file)
 	if err != nil {
 		return fmt.Errorf("failed to read data from file: %w", err)
 	}
@@ -64,7 +64,7 @@ func FormatJSONFile(path string) error {
 	}
 	defer file.Close()
 
-	data, err := ioutil.ReadAll(file)
+	data, err := io.ReadAll(file)
 	if err != nil {
 		return fmt.Errorf("failed to read data from file: %w", err)
 	}
@@ -76,7 +76,7 @@ func FormatJSONFile(path string) error {
 		return fmt.Errorf("failed to indent json: %w", err)
 	}
 
-	err = ioutil.WriteFile(path, prettyJSON.Bytes(), fileModeReadWrite)
+	err = os.WriteFile(path, prettyJSON.Bytes(), fileModeReadWrite)
 	if err != nil {
 		return fmt.Errorf("failed to write json to file: %w", err)
 	}
diff --git a/http/http.go b/http/http.go
index 9411b5b..430c8e5 100644
--- a/http/http.go
+++ b/http/http.go
@@ -3,7 +3,7 @@ package http
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 )
 
@@ -21,9 +21,8 @@ func GetHTTPResponse(url string, result interface{}) error {
 	return nil
 }
 
-// nolint
 func GetHTTPResponseBytes(url string) ([]byte, error) {
-	resp, err := http.Get(url)
+	resp, err := http.Get(url) //nolint
 	if err != nil {
 		return nil, fmt.Errorf("failed to make GET request: %w", err)
 	}
@@ -33,7 +32,7 @@ func GetHTTPResponseBytes(url string) ([]byte, error) {
 		return nil, fmt.Errorf("unsuccessful status code: %d", resp.StatusCode)
 	}
 
-	bodyBytes, err := ioutil.ReadAll(resp.Body)
+	bodyBytes, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return nil, fmt.Errorf("failed to read body: %w", err)
 	}
diff --git a/validation/info/external/external.go b/validation/info/external/external.go
index f69ba57..4d33733 100644
--- a/validation/info/external/external.go
+++ b/validation/info/external/external.go
@@ -11,7 +11,7 @@ import (
 
 var (
 	holdersRegexp  = regexp.MustCompile(`(\d+)\saddresses`)
-	decimalsRegexp = regexp.MustCompile(`(\d+)\s<\/div>`)
+	decimalsRegexp = regexp.MustCompile(`(\d+)\s+<\/div>`)
 	symbolRegexp   = regexp.MustCompile(`<b>(\w+)<\/b>\s<span`)
 )
 
diff --git a/validation/info/values.go b/validation/info/values.go
index 120c195..9463c10 100644
--- a/validation/info/values.go
+++ b/validation/info/values.go
@@ -7,7 +7,7 @@ import (
 	"github.com/trustwallet/go-primitives/coin"
 )
 
-// nolint:gochecknoglobals
+//nolint:gochecknoglobals
 var (
 	requiredCoinFields = []string{
 		"name", "type", "symbol", "decimals",