diff --git a/package-lock.json b/package-lock.json
index fe5cb21..6e9f61b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "@biomejs/biome": "^2.4.10",
         "@digital-go-jp/design-tokens": "^2.0.1",
         "@tsconfig/node22": "^22.0.5",
-        "@types/node": "^25.5.2",
+        "@types/node": "^25.9.1",
         "autoprefixer": "^10.4.27",
         "postcss": "^8.5.8",
         "tailwindcss": "^3.4.17",
@@ -1091,13 +1091,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "25.5.2",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.5.2.tgz",
-      "integrity": "sha512-tO4ZIRKNC+MDWV4qKVZe3Ql/woTnmHDr5JD8UI5hn2pwBrHEwOEMZK7WlNb5RKB6EoJ02gwmQS9OrjuFnZYdpg==",
+      "version": "25.9.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.1.tgz",
+      "integrity": "sha512-xfrlY7UD5rMJk3ZVJP8BNzS28J36YJg+xp+LPXV1TdWxr8uMH5A860QNxYDGQe/ylDSgjxE52Q9VnO7p75tJxg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~7.18.0"
+        "undici-types": ">=7.24.0 <7.24.7"
       }
     },
     "node_modules/any-promise": {
@@ -2290,9 +2290,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "7.18.2",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz",
-      "integrity": "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==",
+      "version": "7.24.6",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.24.6.tgz",
+      "integrity": "sha512-WRNW+sJgj5OBN4/0JpHFqtqzhpbnV0GuB+OozA9gCL7a993SmU+1JBZCzLNxYsbMfIeDL+lTsphD5jN5N+n0zg==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index a5afffa..01f3989 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "@biomejs/biome": "^2.4.10",
     "@digital-go-jp/design-tokens": "^2.0.1",
     "@tsconfig/node22": "^22.0.5",
-    "@types/node": "^25.5.2",
+    "@types/node": "^25.9.1",
     "autoprefixer": "^10.4.27",
     "postcss": "^8.5.8",
     "tailwindcss": "^3.4.17",