diff --git a/middleware/cors.go b/middleware/cors.go
index 149de347a..6ddb540af 100644
--- a/middleware/cors.go
+++ b/middleware/cors.go
@@ -150,8 +150,8 @@ func CORSWithConfig(config CORSConfig) echo.MiddlewareFunc {
 	allowOriginPatterns := []string{}
 	for _, origin := range config.AllowOrigins {
 		pattern := regexp.QuoteMeta(origin)
-		pattern = strings.Replace(pattern, "\\*", ".*", -1)
-		pattern = strings.Replace(pattern, "\\?", ".", -1)
+		pattern = strings.ReplaceAll(pattern, "\\*", ".*")
+		pattern = strings.ReplaceAll(pattern, "\\?", ".")
 		pattern = "^" + pattern + "$"
 		allowOriginPatterns = append(allowOriginPatterns, pattern)
 	}
diff --git a/middleware/middleware.go b/middleware/middleware.go
index f250ca49a..664f71f45 100644
--- a/middleware/middleware.go
+++ b/middleware/middleware.go
@@ -38,9 +38,9 @@ func rewriteRulesRegex(rewrite map[string]string) map[*regexp.Regexp]string {
 	rulesRegex := map[*regexp.Regexp]string{}
 	for k, v := range rewrite {
 		k = regexp.QuoteMeta(k)
-		k = strings.Replace(k, `\*`, "(.*?)", -1)
+		k = strings.ReplaceAll(k, `\*`, "(.*?)")
 		if strings.HasPrefix(k, `\^`) {
-			k = strings.Replace(k, `\^`, "^", -1)
+			k = strings.ReplaceAll(k, `\^`, "^")
 		}
 		k = k + "$"
 		rulesRegex[regexp.MustCompile(k)] = v