diff --git a/data/2024/09/index.json b/data/2024/09/index.json
index bbc451a03..c03074b18 100644
--- a/data/2024/09/index.json
+++ b/data/2024/09/index.json
@@ -245,6 +245,17 @@
                 "ReleaseNote"
             ],
             "relatedLinks": []
+        },
+        {
+            "date": "2024-09-12T14:13:05.002Z",
+            "title": "Announcing TypeScript 5.6 - TypeScript",
+            "url": "https://devblogs.microsoft.com/typescript/announcing-typescript-5-6/",
+            "content": "TypeScript 5.6 リリース。\nESLintの`no-constant-binary-expression`と似た常にtrue/nullishとなる間違った書き方をエラーにする変更、Iterator Helperのサポート。\nES2022のArbitrary module namespace identifier namesをサポート、`--noUncheckedSideEffectImports`フラグの追加。\n型チェックせずにファイルを出力できる`--noCheck`フラグの追加、`--stopOnBuildErrors`フラグの追加など",
+            "tags": [
+                "TypeScript",
+                "ReleaseNote"
+            ],
+            "relatedLinks": []
         }
     ]
 }