diff --git a/package-lock.json b/package-lock.json
index 3ec01a1..ea35023 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1658,13 +1658,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "25.6.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.6.1.tgz",
-      "integrity": "sha512-coJCN8O1q4AGyyqCAUSP06P+SrMTu18BkEj3NVAK07q6QUneD2wzj3CLv9+yP+BMeZQlMvneXqqvDe3w+xcq7g==",
+      "version": "26.6.3",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.3.tgz",
+      "integrity": "sha512-dsqMQQoeTLqu9wynDD00q573mNzso3IdQOAfHRJqLCcmCFPoGo9A1bDpUcv/9tnKpErQWv9uKeGfl37EIS02Yg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~7.19.0"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@vitest/coverage-v8": {
@@ -2753,9 +2753,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "7.19.2",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.19.2.tgz",
-      "integrity": "sha512-qYVnV5OEm2AW8cJMCpdV20CDyaN3g0AjDlOGf1OW4iaDEx8MwdtChUp4zu4H0VP3nDRF/8RKWH+IPp9uW0YGZg==",
+      "version": "8.9.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.9.0.tgz",
+      "integrity": "sha512-KTDyRTYX8sWmKXAikPHHSyc63CRPETMctyjKFupcC6OBLXT3xsN0e9aF7m+mIXutFWpUXuedtowG7iLOzp0kQg==",
       "dev": true,
       "license": "MIT"
     },
@@ -3064,7 +3064,7 @@
       "license": "Apache-2.0",
       "devDependencies": {
         "@opentelemetry/api": "1.9.1",
-        "@types/node": "25.6.1",
+        "@types/node": "^26.6.3",
         "@vitest/coverage-v8": "4.1.11",
         "esbuild": "0.28.2",
         "fast-check": "4.9.0",
diff --git a/packages/core/package.json b/packages/core/package.json
index e113c76..0609e28 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -244,7 +244,7 @@
   },
   "devDependencies": {
     "@opentelemetry/api": "1.9.1",
-    "@types/node": "25.6.1",
+    "@types/node": "26.6.3",
     "@vitest/coverage-v8": "4.1.11",
     "esbuild": "0.28.2",
     "fast-check": "4.9.0",