diff --git a/package.json b/package.json
index 8fafa00..5302b54 100644
--- a/package.json
+++ b/package.json
@@ -74,7 +74,7 @@
   "devDependencies": {
     "@types/chai": "^5.2.3",
     "@types/mocha": "^10.0.0",
-    "@types/node": "^24.0.0",
+    "@types/node": "^26.6.2",
     "@types/proxyquire": "^1.3.31",
     "@types/vscode": "^1.32.0",
     "@vscode/test-cli": "^0.0.15",
diff --git a/yarn.lock b/yarn.lock
index 94f0a28..1c9b6b6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -195,12 +195,12 @@
   resolved "https://registry.yarnpkg.com/@types/mocha/-/mocha-10.0.10.tgz#91f62905e8d23cbd66225312f239454a23bebfa0"
   integrity sha512-xPyYSz1cMPnJQhl0CLMH68j3gprKZaTjG3s5Vi+fDgx+uhG9NOXwbVt52eFS8ECyXhyKcjDLCBEqBExKuiZb7Q==
 
-"@types/node@^24.0.0":
-  version "24.19.0"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-24.19.0.tgz#becd0549e091f749520b8db8a446ec1559c88a0b"
-  integrity sha512-zY+5tKxXdhGh1PYI0ac+7juvEu4OI6vWtVVoj5i2m42jxAY1U+zHGt6QCyOFwykdP62sM3MJ9stoYYUw5aCWew==
+"@types/node@^26.6.2":
+  version "26.6.2"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-26.6.2.tgz#11bfb8e00bafe728d2113e474a7637becc9ab279"
+  integrity sha512-X1P21scMv4zGKLYqjdGjaKa7COa0RKVYYZZN/NfvLQ1JegxFhdhpZG/Lyn8AXx6CDUavKAd11v6BvfpkDByK8g==
   dependencies:
-    undici-types ">=7.24.0 <7.24.7"
+    undici-types "~8.9.0"
 
 "@types/proxyquire@^1.3.31":
   version "1.3.31"
@@ -1555,10 +1555,10 @@ 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@~8.9.0:
+  version "8.9.0"
+  resolved "https://registry.yarnpkg.com/undici-types/-/undici-types-8.9.0.tgz#e240d97c8b5d85e5347ce73d25865c7906c1ec9f"
+  integrity sha512-KTDyRTYX8sWmKXAikPHHSyc63CRPETMctyjKFupcC6OBLXT3xsN0e9aF7m+mIXutFWpUXuedtowG7iLOzp0kQg==
 
 uri-js@^4.2.2:
   version "4.4.1"