From 3cf8ad7b0f7da4bdef963b2e4f9259c342f6acf4 Mon Sep 17 00:00:00 2001
From: Jeremy Jay <jeremy@pbnjay.com>
Date: Wed, 17 Feb 2021 02:17:02 -0500
Subject: [PATCH] of course when I backport they release 1.16...

---
 go.mod     | 2 +-
 xls/xls.go | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/go.mod b/go.mod
index 2ecf06c..4273fea 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/pbnjay/grate
 
-go 1.15
+go 1.16
diff --git a/xls/xls.go b/xls/xls.go
index 3a4397c..14753c4 100644
--- a/xls/xls.go
+++ b/xls/xls.go
@@ -11,7 +11,6 @@ import (
 	"encoding/binary"
 	"errors"
 	"io"
-	"io/ioutil"
 	"log"
 	"sync"
 
@@ -67,7 +66,7 @@ func Open(filename string) (grate.Source, error) {
 	if err != nil {
 		return nil, grate.WrapErr(err, grate.ErrNotInFormat)
 	}
-	raw, err := ioutil.ReadAll(rdr)
+	raw, err := io.ReadAll(rdr)
 	if err != nil {
 		return nil, err
 	}