diff --git a/bun.lock b/bun.lock
index 6fadbb08..b5f65c2e 100644
--- a/bun.lock
+++ b/bun.lock
@@ -8,7 +8,7 @@
         "@biomejs/biome": "2.4.7",
         "@mkobayashime/shared-config": "4.1.0",
         "@types/bun": "1.3.10",
-        "@types/node": "25.6.0",
+        "@types/node": "26.1.0",
         "bundlemonkey": "0.7.6",
         "eslint": "10.3.0",
         "eslint-config-flat-gitignore": "2.2.1",
@@ -164,7 +164,7 @@
 
     "@types/json-schema": ["@types/json-schema@7.0.15", "", {}, "sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA=="],
 
-    "@types/node": ["@types/node@25.6.0", "", { "dependencies": { "undici-types": "~7.19.0" } }, "sha512-+qIYRKdNYJwY3vRCZMdJbPLJAtGjQBudzZzdzwQYkEPQd+PJGixUL5QfvCLDaULoLv+RhT3LDkwEfKaAkgSmNQ=="],
+    "@types/node": ["@types/node@26.1.0", "", { "dependencies": { "undici-types": "~8.3.0" } }, "sha512-O0A1G3xPGy4w7AgQdAQYUlQ+BKk2Oovw8eRpofyp5KdBZULnbe+WqaOVNrm705SHphCiG4XHsACrSmPu1f+Kgw=="],
 
     "@typescript-eslint/eslint-plugin": ["@typescript-eslint/eslint-plugin@8.62.0", "", { "dependencies": { "@eslint-community/regexpp": "^4.12.2", "@typescript-eslint/scope-manager": "8.62.0", "@typescript-eslint/type-utils": "8.62.0", "@typescript-eslint/utils": "8.62.0", "@typescript-eslint/visitor-keys": "8.62.0", "ignore": "^7.0.5", "natural-compare": "^1.4.0", "ts-api-utils": "^2.5.0" }, "peerDependencies": { "@typescript-eslint/parser": "^8.62.0", "eslint": "^8.57.0 || ^9.0.0 || ^10.0.0", "typescript": ">=4.8.4 <6.1.0" } }, "sha512-o+mpz7EYiMzXoySXiKmzlabIvTVqUuK5yLrAedRPRDA0IpPFMUV1IXt6OqljIxX/kumN6EjUYp41Hqelh6p/Dw=="],
 
@@ -424,7 +424,7 @@
 
     "typescript-eslint": ["typescript-eslint@8.62.0", "", { "dependencies": { "@typescript-eslint/eslint-plugin": "8.62.0", "@typescript-eslint/parser": "8.62.0", "@typescript-eslint/typescript-estree": "8.62.0", "@typescript-eslint/utils": "8.62.0" }, "peerDependencies": { "eslint": "^8.57.0 || ^9.0.0 || ^10.0.0", "typescript": ">=4.8.4 <6.1.0" } }, "sha512-8QxXi+ZACKX0kaqO4gY8kn0RSD9gFfaHDWwjqtEN48aWCBkX4MJaufWN+c3BzlrXLOxfywDL8CaoqUwcRq4j4Q=="],
 
-    "undici-types": ["undici-types@7.19.2", "", {}, "sha512-qYVnV5OEm2AW8cJMCpdV20CDyaN3g0AjDlOGf1OW4iaDEx8MwdtChUp4zu4H0VP3nDRF/8RKWH+IPp9uW0YGZg=="],
+    "undici-types": ["undici-types@8.3.0", "", {}, "sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ=="],
 
     "unicorn-magic": ["unicorn-magic@0.3.0", "", {}, "sha512-+QBBXBCvifc56fsbuxZQ6Sic3wqqc3WWaqxs58gvJrcOuN83HGTCwz3oS5phzU9LthRNE9VrJCFCLUgHeeFnfA=="],
 
diff --git a/package.json b/package.json
index 538f2edc..324be3b1 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "@biomejs/biome": "2.4.7",
     "@mkobayashime/shared-config": "4.1.0",
     "@types/bun": "1.3.10",
-    "@types/node": "25.6.0",
+    "@types/node": "26.1.0",
     "bundlemonkey": "0.7.6",
     "eslint": "10.3.0",
     "eslint-config-flat-gitignore": "2.2.1",