diff --git a/gitea/pull.go b/gitea/pull.go
index a0c7d44..5005b18 100644
--- a/gitea/pull.go
+++ b/gitea/pull.go
@@ -139,6 +139,7 @@ func (c *Client) CreatePullRequest(owner, repo string, opt CreatePullRequestOpti
 type EditPullRequestOption struct {
 	Title     string     `json:"title"`
 	Body      string     `json:"body"`
+	Base      string     `json:"base"`
 	Assignee  string     `json:"assignee"`
 	Assignees []string   `json:"assignees"`
 	Milestone int64      `json:"milestone"`