diff --git a/iface_copier_gen.go b/iface_copier_gen.go
index 791d347f..cf5962c5 100644
--- a/iface_copier_gen.go
+++ b/iface_copier_gen.go
@@ -684,6 +684,19 @@ func (r *Role) copyOverTo(other interface{}) error {
 	return nil
 }
 
+func (s *StickerItem) copyOverTo(other interface{}) error {
+	var dest *StickerItem
+	var valid bool
+	if dest, valid = other.(*StickerItem); !valid {
+		return newErrorUnsupportedType("argument given is not a *StickerItem type")
+	}
+	dest.FormatType = s.FormatType
+	dest.ID = s.ID
+	dest.Name = s.Name
+
+	return nil
+}
+
 func (u *User) copyOverTo(other interface{}) error {
 	var dest *User
 	var valid bool
diff --git a/iface_deepcopier_gen.go b/iface_deepcopier_gen.go
index 012eaa3d..6aa8f1d3 100644
--- a/iface_deepcopier_gen.go
+++ b/iface_deepcopier_gen.go
@@ -212,6 +212,12 @@ func (r *Role) deepCopy() interface{} {
 	return cp
 }
 
+func (s *StickerItem) deepCopy() interface{} {
+	cp := &StickerItem{}
+	_ = DeepCopyOver(cp, s)
+	return cp
+}
+
 func (u *User) deepCopy() interface{} {
 	cp := &User{}
 	_ = DeepCopyOver(cp, u)
diff --git a/message.go b/message.go
index 515dc69a..75b88786 100644
--- a/message.go
+++ b/message.go
@@ -139,6 +139,9 @@ type StickerItem struct {
 	FormatType MessageStickerFormatType `json:"format_type"`
 }
 
+var _ Copier = (*StickerItem)(nil)
+var _ DeepCopier = (*StickerItem)(nil)
+
 type MessageSticker struct {
 	ID           Snowflake                `json:"id"`
 	PackID       Snowflake                `json:"pack_id"`