diff --git a/config/config.go b/config/config.go
index cf077156..e0d03f63 100644
--- a/config/config.go
+++ b/config/config.go
@@ -57,6 +57,8 @@ type (
 			Environ     []string
 			Volumes     []string
 			Labels      map[string]string `envconfig:"DRONE_AGENT_LABELS"`
+			Dockerusername string         `envconfig:"DRONE_AGENT_DOCKER_USERNAME"`
+			Dockerpassword string         `envconfig:"DRONE_AGENT_DOCKER_PASSWORD"`
 		}
 
 		Runner Runner
diff --git a/engine/engine.go b/engine/engine.go
index 3203fb3a..7c039cc8 100644
--- a/engine/engine.go
+++ b/engine/engine.go
@@ -78,6 +78,8 @@ func New(
 			watchtowerImage:    config.Watchtower.Image,
 			watchtowerTimeout:  config.Watchtower.Timeout,
 			watchtowerInterval: config.Watchtower.Interval,
+			dockerUsername:           config.Agent.Dockerusername,
+			dockerPassword:           config.Agent.Dockerpassword,
 		},
 		pinger: &pinger{
 			servers: servers,
diff --git a/engine/install.go b/engine/install.go
index a8f22e09..82c892a2 100644
--- a/engine/install.go
+++ b/engine/install.go
@@ -5,6 +5,8 @@
 package engine
 
 import (
+	"encoding/base64"
+	"encoding/json"
 	"context"
 	"fmt"
 	"io"
@@ -58,6 +60,8 @@ type installer struct {
 
 	servers autoscaler.ServerStore
 	client  clientFunc
+	dockerUsername         string
+	dockerPassword         string
 }
 
 func (i *installer) Install(ctx context.Context) error {
@@ -143,9 +147,23 @@ poller:
 
 	logger.Debug().
 		Str("image", i.image).
-		Msg("pull docker image")
+			Msg("pull docker image")
 
-	rc, err := client.ImagePull(ctx, i.image, types.ImagePullOptions{})
+	options := types.ImagePullOptions{}
+	if i.dockerUsername != "" && i.dockerPassword != "" {
+		authConfig := types.AuthConfig{
+			Username: i.dockerUsername,
+			Password: i.dockerPassword,
+		}
+		encodedJSON, err := json.Marshal(authConfig)
+		if err != nil {
+			panic(err)
+		}
+		authStr := base64.URLEncoding.EncodeToString(encodedJSON)
+		options = types.ImagePullOptions{RegistryAuth: authStr}
+	}
+
+	rc, err := client.ImagePull(ctx, i.image, options)
 	if err != nil {
 		logger.Error().Err(err).
 			Str("image", i.image).