diff --git a/README.md b/README.md
index b439a2f..ecf694d 100644
--- a/README.md
+++ b/README.md
@@ -129,6 +129,7 @@ bucket | aws bucket | | BUCKET
 basedir | path storage for local/gdrive provider| |
 gdrive-client-json-filepath | path to oauth client json config for gdrive provider| |
 gdrive-local-config-path | path to store local transfer.sh config cache for gdrive provider| |
+gdrive-chunk-size | chunk size for gdrive upload in megabytes, must be lower than available memory (8 MB) | |
 lets-encrypt-hosts | hosts to use for lets encrypt certificates (comma seperated) | |
 log | path to log file| |
 
diff --git a/cmd/cmd.go b/cmd/cmd.go
index a4cf881..bb5882b 100644
--- a/cmd/cmd.go
+++ b/cmd/cmd.go
@@ -11,6 +11,7 @@ import (
 	"github.com/fatih/color"
 	"github.com/minio/cli"
 	"log"
+	"google.golang.org/api/googleapi"
 )
 
 var Version = "0.1"
@@ -126,6 +127,11 @@ var globalFlags = []cli.Flag{
 		Usage: "",
 		Value: "",
 	},
+	cli.IntFlag{
+		Name:  "gdrive-chunk-size",
+		Usage: "",
+		Value: googleapi.DefaultUploadChunkSize,
+	},
 	cli.IntFlag{
 		Name:   "rate-limit",
 		Usage:  "requests per minute",
@@ -294,13 +300,15 @@ func New() *Cmd {
 				options = append(options, server.UseStorage(storage))
 			}
 		case "gdrive":
+			chunkSize := c.Int("gdrive-chunk-size")
+
 			if clientJsonFilepath := c.String("gdrive-client-json-filepath"); clientJsonFilepath == "" {
 				panic("client-json-filepath not set.")
 			} else if localConfigPath := c.String("gdrive-local-config-path"); localConfigPath == "" {
 				panic("local-config-path not set.")
 			} else if basedir := c.String("basedir"); basedir == "" {
 				panic("basedir not set.")
-			} else if storage, err := server.NewGDriveStorage(clientJsonFilepath, localConfigPath, basedir, logger); err != nil {
+			} else if storage, err := server.NewGDriveStorage(clientJsonFilepath, localConfigPath, basedir, chunkSize, logger); err != nil {
 				panic(err)
 			} else {
 				options = append(options, server.UseStorage(storage))
diff --git a/server/storage.go b/server/storage.go
index 723b6dd..f8125d2 100644
--- a/server/storage.go
+++ b/server/storage.go
@@ -321,10 +321,11 @@ type GDrive struct {
 	rootId          string
 	basedir         string
 	localConfigPath string
+	chunkSize       int
 	logger          *log.Logger
 }
 
-func NewGDriveStorage(clientJsonFilepath string, localConfigPath string, basedir string, logger *log.Logger) (*GDrive, error) {
+func NewGDriveStorage(clientJsonFilepath string, localConfigPath string, basedir string, chunkSize int, logger *log.Logger) (*GDrive, error) {
 	b, err := ioutil.ReadFile(clientJsonFilepath)
 	if err != nil {
 		return nil, err
@@ -341,7 +342,8 @@ func NewGDriveStorage(clientJsonFilepath string, localConfigPath string, basedir
 		return nil, err
 	}
 
-	storage := &GDrive{service: srv, basedir: basedir, rootId: "", localConfigPath: localConfigPath, logger: logger}
+	chunkSize = chunkSize * 1024 * 1024
+	storage := &GDrive{service: srv, basedir: basedir, rootId: "", localConfigPath: localConfigPath, chunkSize: chunkSize, logger: logger}
 	err = storage.setupRoot()
 	if err != nil {
 		return nil, err
@@ -561,7 +563,7 @@ func (s *GDrive) Put(token string, filename string, reader io.Reader, contentTyp
 	}
 
 	ctx := context.Background()
-	_, err = s.service.Files.Create(dst).Context(ctx).Media(reader).Do()
+	_, err = s.service.Files.Create(dst).Context(ctx).Media(reader, googleapi.ChunkSize(s.chunkSize)).Do()
 
 	if err != nil {
 		return err