diff --git a/package-lock.json b/package-lock.json
index 380a49a..fbceb0f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -736,13 +736,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "25.9.2",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.2.tgz",
-      "integrity": "sha512-G05zqtJhcDLb8uslf5EjCxXg9G1KQxiV8OS0R26IC//Eoyitzqe8z37I7cqvnZlrlSfgocQRfSn/AHBZJJFyGw==",
+      "version": "26.1.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.1.2.tgz",
+      "integrity": "sha512-Vu4a5UFA9rIIFJ7rB/Vaafh9lrCQszopTCx6KjFboXTGQbPNasehVR5TEiithSDGyd1DEiUByggTZsg8jukeIg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": ">=7.24.0 <7.24.7"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@typescript-eslint/eslint-plugin": {
@@ -2291,9 +2291,9 @@
       }
     },
     "node_modules/undici-types": {
-      "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==",
+      "version": "8.3.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.3.0.tgz",
+      "integrity": "sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==",
       "dev": true,
       "license": "MIT"
     },
@@ -2351,9 +2351,9 @@
       "version": "0.1.0",
       "license": "MIT",
       "devDependencies": {
-        "@types/node": "25.9.2",
+        "@types/node": "^26.1.2",
         "rimraf": "6.1.3",
-        "tsdown": "^0.22.3",
+        "tsdown": "0.22.3",
         "typescript": "6.0.3"
       }
     }
diff --git a/packages/ddp/package.json b/packages/ddp/package.json
index 70b6eab..9119d32 100644
--- a/packages/ddp/package.json
+++ b/packages/ddp/package.json
@@ -33,7 +33,7 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "@types/node": "25.9.2",
+    "@types/node": "26.1.2",
     "rimraf": "6.1.3",
     "tsdown": "0.22.3",
     "typescript": "6.0.3"