diff --git a/api/api_test.go b/api/api_test.go
index dab1169b..846e154e 100644
--- a/api/api_test.go
+++ b/api/api_test.go
@@ -7,7 +7,7 @@ package api
 import (
 	"bytes"
 	"encoding/json"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"net/http/httptest"
 	"sort"
@@ -51,7 +51,7 @@ func (s *RouterAPISuite) TestHealthcheckOK() {
 	s.api.Healthcheck(w, req)
 
 	resp := w.Result()
-	body, _ := ioutil.ReadAll(resp.Body)
+	body, _ := io.ReadAll(resp.Body)
 
 	s.Equal(http.StatusOK, resp.StatusCode)
 	s.Equal("WORKING", string(body))
diff --git a/cmd/router/main.go b/cmd/router/main.go
index fe32c534..393650e7 100644
--- a/cmd/router/main.go
+++ b/cmd/router/main.go
@@ -6,7 +6,7 @@ package main
 
 import (
 	"flag"
-	"io/ioutil"
+	"io"
 	"log"
 	"os"
 	"time"
@@ -125,7 +125,7 @@ func main() {
 			return
 		}
 		clustersFile := &backend.ClustersFile{}
-		data, err := ioutil.ReadAll(f)
+		data, err := io.ReadAll(f)
 		if err != nil {
 			log.Printf("failed to load clusters file: %v\n", err)
 			return