diff --git a/src/types/api/creation/issue.rs b/src/types/api/creation/issue.rs
index e25caeb..32a82e5 100644
--- a/src/types/api/creation/issue.rs
+++ b/src/types/api/creation/issue.rs
@@ -21,6 +21,7 @@ pub struct CreateIssueOption {
     /// The milestone ID for the issue.
     pub milestone: Option<usize>,
     /// The reference for the issue.
+    #[serde(rename = "ref")]
     pub ref_field: String,
     /// The title of the issue (required).
     pub title: String,