diff --git a/s3.go b/s3.go
index 278fec121..ed20bf9ad 100644
--- a/s3.go
+++ b/s3.go
@@ -27,6 +27,7 @@ type S3 struct {
 	Period            uint         `mapstructure:"period"`
 	GzipLevel         uint         `mapstructure:"gzip_level"`
 	Format            string       `mapstructure:"format"`
+	FormatVersion     uint         `mapstructure:"format_version"`
 	ResponseCondition string       `mapstructure:"response_condition"`
 	TimestampFormat   string       `mapstructure:"timestamp_format"`
 	Redundancy        S3Redundancy `mapstructure:"redundancy"`
@@ -94,6 +95,7 @@ type CreateS3Input struct {
 	Period            uint         `form:"period,omitempty"`
 	GzipLevel         uint         `form:"gzip_level,omitempty"`
 	Format            string       `form:"format,omitempty"`
+	FormatVersion     uint         `form:"format_version,omitempty"`
 	ResponseCondition string       `form:"response_condition,omitempty"`
 	TimestampFormat   string       `form:"timestamp_format,omitempty"`
 	Redundancy        S3Redundancy `form:"redundancy,omitempty"`
@@ -179,6 +181,7 @@ type UpdateS3Input struct {
 	Period            uint         `form:"period,omitempty"`
 	GzipLevel         uint         `form:"gzip_level,omitempty"`
 	Format            string       `form:"format,omitempty"`
+	FormatVersion     uint         `form:"format_version,omitempty"`
 	ResponseCondition string       `form:"response_condition,omitempty"`
 	TimestampFormat   string       `form:"timestamp_format,omitempty"`
 	Redundancy        S3Redundancy `form:"redundancy,omitempty"`
diff --git a/s3_test.go b/s3_test.go
index babd9023c..072e6c07a 100644
--- a/s3_test.go
+++ b/s3_test.go
@@ -26,6 +26,7 @@ func TestClient_S3s(t *testing.T) {
 			Period:          12,
 			GzipLevel:       9,
 			Format:          "format",
+			FormatVersion:   2,
 			TimestampFormat: "%Y",
 			Redundancy:      S3RedundancyReduced,
 		})
@@ -78,6 +79,9 @@ func TestClient_S3s(t *testing.T) {
 	if s3.Format != "format" {
 		t.Errorf("bad format: %q", s3.Format)
 	}
+	if s3.FormatVersion != 2 {
+		t.Errorf("bad format_version: %q", s3.FormatVersion)
+	}
 	if s3.TimestampFormat != "%Y" {
 		t.Errorf("bad timestamp_format: %q", s3.TimestampFormat)
 	}
@@ -139,6 +143,9 @@ func TestClient_S3s(t *testing.T) {
 	if s3.Format != ns3.Format {
 		t.Errorf("bad format: %q", s3.Format)
 	}
+	if s3.FormatVersion != ns3.FormatVersion {
+		t.Errorf("bad format_version: %q", s3.FormatVersion)
+	}
 	if s3.TimestampFormat != ns3.TimestampFormat {
 		t.Errorf("bad timestamp_format: %q", s3.TimestampFormat)
 	}