diff --git a/issue.go b/issue.go
index 0a5e8ce..7bb50df 100644
--- a/issue.go
+++ b/issue.go
@@ -78,6 +78,7 @@ type EditIssueOption struct {
 	Body      *string `json:"body"`
 	Assignee  *string `json:"assignee"`
 	Milestone *int64  `json:"milestone"`
+	State     *string `json:"state"`
 }
 
 func (c *Client) EditIssue(owner, repo string, index int64, opt EditIssueOption) (*Issue, error) {