diff --git a/plugin/vscode/package-lock.json b/plugin/vscode/package-lock.json
index c5a137cc9..9d72afaa0 100644
--- a/plugin/vscode/package-lock.json
+++ b/plugin/vscode/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
       "devDependencies": {
         "@types/mocha": "^10.0.10",
-        "@types/node": "25.x",
+        "@types/node": "26.x",
         "@types/sinon": "^22.0.0",
         "@types/vscode": "^1.125.0",
         "@vscode/test-cli": "^0.0.15",
@@ -393,13 +393,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "25.9.3",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.3.tgz",
-      "integrity": "sha512-603BddQMv3pUcr4U2dhujk83N2tTDVr/34wII2B6bJy6g+8WD6yUb11jszNs0gdi4PesVWl7ABt8nYMVpnLUcg==",
+      "version": "26.1.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.1.1.tgz",
+      "integrity": "sha512-nxAkRSVkN1Y0JC1W8ky/fTfkGsMmcrRsbx+3XoZE+rMOX71kLYTV7fLXpqud1GpbpP5TuffXFqfX7fH2GgZREw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": ">=7.24.0 <7.24.7"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@types/sinon": {
@@ -3208,9 +3208,9 @@
       }
     },
     "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"
     },
diff --git a/plugin/vscode/package.json b/plugin/vscode/package.json
index c4869a8ac..2dec99722 100644
--- a/plugin/vscode/package.json
+++ b/plugin/vscode/package.json
@@ -116,7 +116,7 @@
   "description": "Check signature params for proper documentation",
   "devDependencies": {
     "@types/mocha": "^10.0.10",
-    "@types/node": "25.x",
+    "@types/node": "26.x",
     "@types/sinon": "^22.0.0",
     "@types/vscode": "^1.125.0",
     "@vscode/test-cli": "^0.0.15",