diff --git a/.github/workflows/gopenqa.yml b/.github/workflows/gopenqa.yml
index 12f3579..58f1a6b 100644
--- a/.github/workflows/gopenqa.yml
+++ b/.github/workflows/gopenqa.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Setup go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.14'
+          go-version: '1.16'
       - name: Install requirements
         run: go get github.com/streadway/amqp
       - name: Run test suite
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c974c0e..bd90080 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,4 @@
-image: golang:1.14 
+image: golang:1.16
 
 test:
   script:
diff --git a/cmd/gopenqa/gopenqa.go b/cmd/gopenqa/gopenqa.go
index 0c07246..d3b9e60 100644
--- a/cmd/gopenqa/gopenqa.go
+++ b/cmd/gopenqa/gopenqa.go
@@ -7,7 +7,7 @@ import (
 	"bufio"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"os"
 	"strconv"
 	"strings"
@@ -150,18 +150,18 @@ func readMachines(filename string) ([]gopenqa.Machine, error) {
 	var err error
 
 	if filename == "" {
-		data, err = ioutil.ReadAll(os.Stdin)
+		data, err = io.ReadAll(os.Stdin)
 		if err != nil {
 			machines := make([]gopenqa.Machine, 0)
 			return machines, err
 		}
 	} else {
-		// TODO: Don't use ioutil.ReadAll
+		// TODO: Don't use io.ReadAll
 		if file, err := os.Open(filename); err != nil {
 			return make([]gopenqa.Machine, 0), err
 		} else {
 			defer file.Close()
-			data, err = ioutil.ReadAll(file)
+			data, err = io.ReadAll(file)
 			if err != nil {
 				return make([]gopenqa.Machine, 0), err
 			}
@@ -192,17 +192,17 @@ func readProducts(filename string) ([]gopenqa.Product, error) {
 	var err error
 
 	if filename == "" {
-		data, err = ioutil.ReadAll(os.Stdin)
+		data, err = io.ReadAll(os.Stdin)
 		if err != nil {
 			return make([]gopenqa.Product, 0), err
 		}
 	} else {
-		// TODO: Don't use ioutil.ReadAll
+		// TODO: Don't use io.ReadAll
 		if file, err := os.Open(filename); err != nil {
 			return make([]gopenqa.Product, 0), err
 		} else {
 			defer file.Close()
-			data, err = ioutil.ReadAll(file)
+			data, err = io.ReadAll(file)
 			if err != nil {
 				return make([]gopenqa.Product, 0), err
 			}
@@ -233,17 +233,17 @@ func readJobGroups(filename string) ([]gopenqa.JobGroup, error) {
 	var err error
 
 	if filename == "" {
-		data, err = ioutil.ReadAll(os.Stdin)
+		data, err = io.ReadAll(os.Stdin)
 		if err != nil {
 			return make([]gopenqa.JobGroup, 0), err
 		}
 	} else {
-		// TODO: Don't use ioutil.ReadAll
+		// TODO: Don't use io.ReadAll
 		if file, err := os.Open(filename); err != nil {
 			return make([]gopenqa.JobGroup, 0), err
 		} else {
 			defer file.Close()
-			data, err = ioutil.ReadAll(file)
+			data, err = io.ReadAll(file)
 			if err != nil {
 				return make([]gopenqa.JobGroup, 0), err
 			}
diff --git a/go.mod b/go.mod
index 1b84d6f..f662cf2 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/grisu48/gopenqa
 
-go 1.14
+go 1.16
 
 require (
 	github.com/google/go-cmp v0.6.0 // indirect
diff --git a/gopenqa.go b/gopenqa.go
index 3cae932..df92afd 100644
--- a/gopenqa.go
+++ b/gopenqa.go
@@ -6,7 +6,7 @@ import (
 	"crypto/sha1"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"net/url"
 	"os"
@@ -294,9 +294,9 @@ func (i *Instance) request(method string, url string, data []byte) ([]byte, erro
 		return make([]byte, 0), err
 	}
 
-	// First read body
+	// First read body to have it ready in case of errors
 	defer r.Body.Close()
-	buf, err := ioutil.ReadAll(r.Body) // TODO: Limit read size
+	buf, err := io.ReadAll(r.Body) // TODO: Limit read size
 	if err != nil {
 		return buf, err
 	}