diff --git a/api/response.go b/api/response.go
index 2feb821..2cd7821 100644
--- a/api/response.go
+++ b/api/response.go
@@ -4,7 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	log "github.com/sirupsen/logrus"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"net/url"
 )
@@ -46,7 +46,7 @@ func (c *Client) GetJSONResponse(req *http.Request) (data *ResponseBody, err err
 	}
 
 	// read response body
-	body, err := ioutil.ReadAll(res.Body)
+	body, err := io.ReadAll(res.Body)
 	if err != nil {
 		err = fmt.Errorf("could not retrieve response body: %w", err)
 		return
diff --git a/api/sites_test.go b/api/sites_test.go
index 8b592dc..0b5bb74 100644
--- a/api/sites_test.go
+++ b/api/sites_test.go
@@ -3,9 +3,9 @@ package api_test
 import (
 	"github.com/jarcoal/httpmock"
 	"github.com/stretchr/testify/assert"
-	"io/ioutil"
 	"net/http"
 	"net/url"
+	"os"
 	"testing"
 )
 
@@ -15,7 +15,7 @@ func TestClient_GetSites(t *testing.T) {
 
 	httpmock.RegisterResponder("GET", "https://euce1-test.sentinelone.net/web/api/v2.1/sites",
 		func(req *http.Request) (*http.Response, error) {
-			data, err := ioutil.ReadFile("testdata/sites.json")
+			data, err := os.ReadFile("testdata/sites.json")
 			assert.NoError(t, err)
 
 			return httpmock.NewBytesResponse(200, data), nil
diff --git a/api/threats_test.go b/api/threats_test.go
index 5373ad8..c3b6624 100644
--- a/api/threats_test.go
+++ b/api/threats_test.go
@@ -3,9 +3,9 @@ package api_test
 import (
 	"github.com/jarcoal/httpmock"
 	"github.com/stretchr/testify/assert"
-	"io/ioutil"
 	"net/http"
 	"net/url"
+	"os"
 	"testing"
 )
 
@@ -15,7 +15,7 @@ func TestClient_GetThreats(t *testing.T) {
 
 	httpmock.RegisterResponder("GET", "https://euce1-test.sentinelone.net/web/api/v2.1/threats",
 		func(req *http.Request) (*http.Response, error) {
-			data, err := ioutil.ReadFile("testdata/threats.json")
+			data, err := os.ReadFile("testdata/threats.json")
 			assert.NoError(t, err)
 
 			return httpmock.NewBytesResponse(200, data), nil
diff --git a/go.mod b/go.mod
index 04c4c83..1631d7e 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/NETWAYS/check_sentinelone
 
-go 1.14
+go 1.19
 
 require (
 	github.com/NETWAYS/go-check v0.0.0-20200808130510-2fe660cfdef9
@@ -10,3 +10,15 @@ require (
 	github.com/stretchr/testify v1.8.2
 	golang.org/x/oauth2 v0.0.0-20200902213428-5d25da1a8d43
 )
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/golang/protobuf v1.4.2 // indirect
+	github.com/mitchellh/go-ps v1.0.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	golang.org/x/net v0.0.0-20200822124328-c89045814202 // indirect
+	golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
+	google.golang.org/appengine v1.6.6 // indirect
+	google.golang.org/protobuf v1.25.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
diff --git a/go.sum b/go.sum
index 43dfbd3..dced4cc 100644
--- a/go.sum
+++ b/go.sum
@@ -113,7 +113,6 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/maxatome/go-testdeep v1.12.0 h1:Ql7Go8Tg0C1D/uMMX59LAoYK7LffeJQ6X2T04nTH68g=
-github.com/maxatome/go-testdeep v1.12.0/go.mod h1:lPZc/HAcJMP92l7yI6TRz1aZN5URwUBUAfUNvrclaNM=
 github.com/mitchellh/go-ps v1.0.0 h1:i6ampVEEF4wQFF+bkYfwYgY+F/uYJDktmvLPf7qIgjc=
 github.com/mitchellh/go-ps v1.0.0/go.mod h1:J4lOc8z8yJs6vUwklHw2XEIiT4z4C40KtWVN3nvg8Pg=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=