diff --git a/package.json b/package.json
index 6ff436e..2e13382 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "textlint-rule-preset-ja-spacing": "2.4.3",
     "textlint-rule-preset-ja-technical-writing": "12.0.2",
     "textlint-rule-spellcheck-tech-word": "5.0.0",
-    "typescript": "5.9.3"
+    "typescript": "6.0.3"
   },
   "browserslist": {
     "production": [