diff --git a/nodejs/angular-fullstack-otel/backend/package-lock.json b/nodejs/angular-fullstack-otel/backend/package-lock.json
index 4c1bcd2b..45ccb03d 100644
--- a/nodejs/angular-fullstack-otel/backend/package-lock.json
+++ b/nodejs/angular-fullstack-otel/backend/package-lock.json
@@ -25,7 +25,7 @@
       "devDependencies": {
         "@types/cors": "^2.8.19",
         "@types/express": "^5.0.6",
-        "@types/node": "^24.13.3",
+        "@types/node": "^26.4.0",
         "@types/pg": "^8.23.1",
         "typescript": "^5.9.3"
       }
@@ -1621,12 +1621,12 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "24.13.3",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.13.3.tgz",
-      "integrity": "sha512-Dh8vAsV36ig5wa9OX4pXvMc9D3Veibfw2wix0CUwYODLD8nkj9UsLjASr49nPg+2eKzxhBV+v7L8pXvT4e639Q==",
+      "version": "26.4.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.4.0.tgz",
+      "integrity": "sha512-faiGnoIrLH/V8cibOMEAZ8pMw6oXqSukl29ra4mN8GdaB2ZewzeaLj+INpV5N+Z1eKWzY+IzaIZH2EIR6YZRNQ==",
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~7.18.0"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@types/pg": {
@@ -3559,9 +3559,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "7.18.2",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz",
-      "integrity": "sha512-AsuCzffGHJybSaRrmr5eHr81mwJU3kjw6M+uprWvCXiNeN9SOGwQ3Jn8jb8m3Z6izVgknn1R0FTCEAP2QrLY/w==",
+      "version": "8.3.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.3.0.tgz",
+      "integrity": "sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==",
       "license": "MIT"
     },
     "node_modules/unpipe": {
diff --git a/nodejs/angular-fullstack-otel/backend/package.json b/nodejs/angular-fullstack-otel/backend/package.json
index 199d217e..4f610e18 100644
--- a/nodejs/angular-fullstack-otel/backend/package.json
+++ b/nodejs/angular-fullstack-otel/backend/package.json
@@ -30,7 +30,7 @@
   "devDependencies": {
     "@types/cors": "^2.8.19",
     "@types/express": "^5.0.6",
-    "@types/node": "^24.13.3",
+    "@types/node": "^26.4.0",
     "@types/pg": "^8.23.1",
     "typescript": "^5.9.3"
   }