diff --git a/changelog.d/20260531_000000_test_localized_plan_capture.md b/changelog.d/20260531_000000_test_localized_plan_capture.md
new file mode 100644
index 0000000..2e7ffeb
--- /dev/null
+++ b/changelog.d/20260531_000000_test_localized_plan_capture.md
@@ -0,0 +1,6 @@
+---
+bump: patch
+---
+
+### Fixed
+- Added regression coverage for localized accepted-plan headings.
diff --git a/tests/unit/plan_capture.rs b/tests/unit/plan_capture.rs
index cb693ac..38b0d33 100644
--- a/tests/unit/plan_capture.rs
+++ b/tests/unit/plan_capture.rs
@@ -71,6 +71,25 @@ Do not include this.
     assert!(!plans[0].content.contains("Summary"));
 }
 
+#[test]
+fn extracts_localized_accepted_plan_headings() {
+    let message = r"
+## Принятый план
+- Сохранить только подтвержденный план.
+- Синхронизировать его с PR.
+
+## Итог
+Не включать этот раздел.
+";
+
+    let plans = extract_marked_plans(message);
+
+    assert_eq!(plans.len(), 1);
+    assert_eq!(plans[0].title.as_deref(), Some("Принятый план"));
+    assert!(plans[0].content.contains("подтвержденный план"));
+    assert!(!plans[0].content.contains("Итог"));
+}
+
 #[test]
 fn extracts_accepted_plan_label_until_next_heading() {
     let message = r"