diff --git a/pkg/temperature/ds18b20.go b/pkg/temperature/ds18b20.go
index 6e8bfa4..b8822db 100644
--- a/pkg/temperature/ds18b20.go
+++ b/pkg/temperature/ds18b20.go
@@ -6,7 +6,6 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"log"
 	"os"
 	"path/filepath"
@@ -225,7 +224,7 @@ func triggerBulkRead() error {
 }
 
 func pollBusState() (BulkReadBusState, error) {
-	b, err := ioutil.ReadFile("/sys/bus/w1/devices/w1_bus_master1/therm_bulk_read")
+	b, err := os.ReadFile("/sys/bus/w1/devices/w1_bus_master1/therm_bulk_read")
 	if err != nil {
 		return BulkReadIdle, err
 	}
@@ -241,7 +240,7 @@ func pollBusState() (BulkReadBusState, error) {
 // read returns the temperature of the specified sensor in millidegrees celcius.
 func read(sensor string) (int64, error) {
 	path := filepath.Join("/sys/bus/w1/devices", sensor, "w1_slave")
-	data, err := ioutil.ReadFile(path)
+	data, err := os.ReadFile(path)
 	if err != nil {
 		return NaN, err
 	}