diff --git a/package-lock.json b/package-lock.json
index 2774eb347..7bfd3bf43 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -68,7 +68,7 @@
         "@types/hapi__crumb": "^7.3.7",
         "@types/jest": "^30.0.0",
         "@types/jsdom": "^28.0.3",
-        "@types/node": "^24.19.2",
+        "@types/node": "^26.6.6",
         "@types/nunjucks": "^3.2.6",
         "@types/resolve": "^1.20.6",
         "autoprefixer": "^10.5.2",
@@ -7477,15 +7477,22 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "24.19.2",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.19.2.tgz",
-      "integrity": "sha512-93d49wCWJkCyN87MxLpNN6KXPCwFw7bVUg79mGUV1OS40JGWwVCr8n61DXCSqz7CV6/VfPkb7xec7uP2M+QHWQ==",
+      "version": "26.6.6",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.6.tgz",
+      "integrity": "sha512-MzQj+8Kx3XI40OmUAE6Qoh58ZMNstNNMwn2nfd3qWsfe7nDNSqJNzes4njhz6AHwrSHOffSLwXU6yb474Q4aog==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": ">=7.24.0 <7.24.7"
+        "undici-types": "~8.9.0"
       }
     },
+    "node_modules/@types/node/node_modules/undici-types": {
+      "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"
+    },
     "node_modules/@types/nunjucks": {
       "version": "3.2.6",
       "resolved": "https://registry.npmjs.org/@types/nunjucks/-/nunjucks-3.2.6.tgz",
diff --git a/package.json b/package.json
index 24f082117..e3fdefea9 100644
--- a/package.json
+++ b/package.json
@@ -103,7 +103,7 @@
     "@types/hapi__crumb": "^7.3.7",
     "@types/jest": "^30.0.0",
     "@types/jsdom": "^28.0.3",
-    "@types/node": "^24.19.2",
+    "@types/node": "^26.6.6",
     "@types/nunjucks": "^3.2.6",
     "@types/resolve": "^1.20.6",
     "autoprefixer": "^10.5.2",