diff --git a/types.go b/types.go
index d3d30dc..0843ab9 100644
--- a/types.go
+++ b/types.go
@@ -290,6 +290,7 @@ type Sticker struct {
 	Thumbnail *PhotoSize `json:"thumb"`     // optional
 	Emoji     string     `json:"emoji"`     // optional
 	FileSize  int        `json:"file_size"` // optional
+	SetName   string     `json:"set_name"`  // optional
 }
 
 // Video contains information about a video.