diff --git a/man/generate.go b/man/generate.go
index d21a6467aa..ac58c382fa 100644
--- a/man/generate.go
+++ b/man/generate.go
@@ -2,7 +2,6 @@ package main
 
 import (
 	"fmt"
-	"io/ioutil"
 	"log"
 	"os"
 	"path/filepath"
@@ -74,7 +73,7 @@ func loadLongDescription(cmd *cobra.Command, path string) error {
 			continue
 		}
 
-		content, err := ioutil.ReadFile(fullpath)
+		content, err := os.ReadFile(fullpath)
 		if err != nil {
 			return err
 		}
@@ -85,7 +84,7 @@ func loadLongDescription(cmd *cobra.Command, path string) error {
 			continue
 		}
 
-		content, err = ioutil.ReadFile(fullpath)
+		content, err = os.ReadFile(fullpath)
 		if err != nil {
 			return err
 		}