diff --git a/containerd/containerd.go b/containerd/containerd.go
index 9dc7e81..07231ff 100644
--- a/containerd/containerd.go
+++ b/containerd/containerd.go
@@ -88,7 +88,7 @@ func (d *Driver) parshAuth(auth *RegistryAuth) CredentialsOpt {
 func withResolver(creds CredentialsOpt) containerd.RemoteOpt {
 	resolver := remotesdocker.NewResolver(remotesdocker.ResolverOptions{
 		Hosts: remotesdocker.ConfigureDefaultRegistries(remotesdocker.WithAuthorizer(
-			remotesdocker.NewAuthorizer(nil, creds))),
+			remotesdocker.NewDockerAuthorizer(remotesdocker.WithAuthCreds(creds)))),
 	})
 	return containerd.WithResolver(resolver)
 }
diff --git a/etchosts/etchosts.go b/etchosts/etchosts.go
index b3ca7a4..3550c95 100644
--- a/etchosts/etchosts.go
+++ b/etchosts/etchosts.go
@@ -21,7 +21,6 @@ import (
 	"bytes"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"strings"
 
@@ -64,7 +63,7 @@ func BuildEtcHosts(hostsFile string) error {
 			return err
 		}
 	}
-	return ioutil.WriteFile(hostsFile, content.Bytes(), 0644)
+	return os.WriteFile(hostsFile, content.Bytes(), 0644)
 }
 
 // CopyEtcHosts copies /etc/hosts to NOMAD_TASK_DIR/etc_hosts