diff --git a/package.json b/package.json
index b6337fa..6d23105 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
     "rollup-plugin-terser": "^7.0.2",
     "rollup-plugin-typescript2": "^0.34.1",
     "size-limit": "^8.1.0",
-    "typescript": "^4.8.4",
+    "typescript": "^5.9.2",
     "vue": "^3.2.45",
     "yorkie": "^2.0.0"
   },
diff --git a/yarn.lock b/yarn.lock
index 9e3b51e..a819317 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6291,7 +6291,12 @@ typedarray-to-buffer@^3.1.5:
   dependencies:
     is-typedarray "^1.0.0"
 
-typescript@^4.8.4, typescript@~4.8.4:
+typescript@^5.9.2:
+  version "5.9.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-5.9.2.tgz#d93450cddec5154a2d5cabe3b8102b83316fb2a6"
+  integrity sha512-CWBzXQrc/qOkhidw1OzBTQuYRbfyxDXJMVJ1XNwUHGROVmuaeiEm3OslpZ1RV96d7SKKjZKrSJu3+t/xlw3R9A==
+
+typescript@~4.8.4:
   version "4.8.4"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.8.4.tgz#c464abca159669597be5f96b8943500b238e60e6"
   integrity sha512-QCh+85mCy+h0IGff8r5XWzOVSbBO+KfeYrMQh7NJ58QujwcE22u+NUSmUxqF+un70P9GXKxa2HCNiTTMJknyjQ==