diff --git a/package-lock.json b/package-lock.json
index 37bf5c5..43b6b22 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -27,7 +27,7 @@
       },
       "devDependencies": {
         "@biomejs/biome": "2.5.3",
-        "@types/node": "24.13.3",
+        "@types/node": "26.1.2",
         "@vitest/coverage-v8": "^4.0.12",
         "dependency-cruiser": "^18.0.0",
         "publint": "^0.3.21",
@@ -1375,12 +1375,12 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "24.13.3",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.13.3.tgz",
-      "integrity": "sha512-Dh8vAsV36ig5wa9OX4pXvMc9D3Veibfw2wix0CUwYODLD8nkj9UsLjASr49nPg+2eKzxhBV+v7L8pXvT4e639Q==",
+      "version": "26.1.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.1.2.tgz",
+      "integrity": "sha512-Vu4a5UFA9rIIFJ7rB/Vaafh9lrCQszopTCx6KjFboXTGQbPNasehVR5TEiithSDGyd1DEiUByggTZsg8jukeIg==",
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~7.18.0"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@types/qs": {
@@ -4475,9 +4475,9 @@
       }
     },
     "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": "8.3.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.3.0.tgz",
+      "integrity": "sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==",
       "license": "MIT"
     },
     "node_modules/unpipe": {
@@ -4744,7 +4744,7 @@
       "version": "2.0.0",
       "license": "Apache-2.0",
       "devDependencies": {
-        "@types/node": "^24.13.3",
+        "@types/node": "26.1.2",
         "publint": "^0.3.21",
         "typescript": "^7.0.2"
       },
diff --git a/package.json b/package.json
index fe6fa6f..1924a09 100644
--- a/package.json
+++ b/package.json
@@ -100,7 +100,7 @@
   },
   "devDependencies": {
     "@biomejs/biome": "2.5.3",
-    "@types/node": "24.13.3",
+    "@types/node": "26.1.2",
     "@vitest/coverage-v8": "^4.0.12",
     "dependency-cruiser": "^18.0.0",
     "publint": "^0.3.21",
diff --git a/src/packages/contracts/package.json b/src/packages/contracts/package.json
index b2263fd..a812a9a 100644
--- a/src/packages/contracts/package.json
+++ b/src/packages/contracts/package.json
@@ -38,7 +38,7 @@
     "registry": "https://registry.npmjs.org/"
   },
   "devDependencies": {
-    "@types/node": "^24.13.3",
+    "@types/node": "^26.1.2",
     "publint": "^0.3.21",
     "typescript": "^7.0.2"
   }