diff --git a/package.json b/package.json
index 8e0f60b..e9d45ce 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "@owf/identity-common": "^0.3.0"
   },
   "devDependencies": {
-    "@types/node": "^25.9.1",
+    "@types/node": "^26.0.1",
     "ajv": "^8.20.0",
     "ajv-formats": "^3.0.1",
     "eslint": "^10.4.0",
diff --git a/yarn.lock b/yarn.lock
index 9ac6662..825c8e9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -106,12 +106,12 @@
   resolved "https://registry.yarnpkg.com/@types/json-schema/-/json-schema-7.0.15.tgz#596a1747233694d50f6ad8a7869fcb6f56cf5841"
   integrity sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA==
 
-"@types/node@^25.9.1":
-  version "25.9.2"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-25.9.2.tgz#fc8958e757994b71fee516f9634bdb03d1b19e9f"
-  integrity sha512-G05zqtJhcDLb8uslf5EjCxXg9G1KQxiV8OS0R26IC//Eoyitzqe8z37I7cqvnZlrlSfgocQRfSn/AHBZJJFyGw==
+"@types/node@^26.0.1":
+  version "26.0.1"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-26.0.1.tgz#4a60e2c7a6d68bd261e265f8983bfe1601263ce3"
+  integrity sha512-fc3KiUoBt6kie0N9bIW3E47vZsuaMf0PM2AaUpLCLT0s/LvX1nxAim6Fc049cNxODPpGm6qRAuUOB86SkRuPQw==
   dependencies:
-    undici-types ">=7.24.0 <7.24.7"
+    undici-types "~8.3.0"
 
 "@typescript-eslint/eslint-plugin@8.62.0":
   version "8.62.0"
@@ -719,10 +719,10 @@ typescript@^6.0.3:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-6.0.3.tgz#90251dc007916e972786cb94d74d15b185577d21"
   integrity sha512-y2TvuxSZPDyQakkFRPZHKFm+KKVqIisdg9/CZwm9ftvKXLP8NRWj38/ODjNbr43SsoXqNuAisEf1GdCxqWcdBw==
 
-"undici-types@>=7.24.0 <7.24.7":
-  version "7.24.6"
-  resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-7.24.6.tgz#61275b485d7fd4e9d269c7cf04ec2873c9cc0f91"
-  integrity sha512-WRNW+sJgj5OBN4/0JpHFqtqzhpbnV0GuB+OozA9gCL7a993SmU+1JBZCzLNxYsbMfIeDL+lTsphD5jN5N+n0zg==
+undici-types@~8.3.0:
+  version "8.3.0"
+  resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-8.3.0.tgz#44e9fc9f3244648cdea35e4f9bb2d681e9410809"
+  integrity sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==
 
 uri-js@^4.2.2:
   version "4.4.1"