diff --git a/python/packages/devui/frontend/package-lock.json b/python/packages/devui/frontend/package-lock.json
index 920ba2ec464..60e06200d58 100644
--- a/python/packages/devui/frontend/package-lock.json
+++ b/python/packages/devui/frontend/package-lock.json
@@ -32,7 +32,7 @@
       },
       "devDependencies": {
         "@eslint/js": "^10.0.1",
-        "@types/node": "^24.3.0",
+        "@types/node": "^26.6.4",
         "@types/react": "^19.1.10",
         "@types/react-dom": "^19.1.7",
         "@vitejs/plugin-react": "^5.2.0",
@@ -2686,21 +2686,6 @@
         }
       }
     },
-    "node_modules/@radix-ui/react-use-previous": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/@radix-ui/react-use-previous/-/react-use-previous-1.1.1.tgz",
-      "integrity": "sha512-2dHfToCj/pzca2Ck724OZ5L0EVrr3eHRNsG/b3xQJLA2hZpVCS99bLAX+hm1IHXDEnzU6by5z/5MIY794/a8NQ==",
-      "license": "MIT",
-      "peerDependencies": {
-        "@types/react": "*",
-        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
-      },
-      "peerDependenciesMeta": {
-        "@types/react": {
-          "optional": true
-        }
-      }
-    },
     "node_modules/@radix-ui/react-use-rect": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/@radix-ui/react-use-rect/-/react-use-rect-1.1.1.tgz",
@@ -3524,13 +3509,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "24.3.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.3.0.tgz",
-      "integrity": "sha512-aPTXCrfwnDLj4VvXrm+UUCQjNEvJgNA8s5F1cvwQU+3KNltTOkBm1j30uNLyqqPNe7gE3KFzImYoZEfLhp4Yow==",
+      "version": "26.6.4",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.4.tgz",
+      "integrity": "sha512-ldVPDCzj7fsaGZrLB0NuHuTvJcsNasysBAqMolr/cgxrLd1xbqxIr3XJiPnHHJUCxj5sNF1vnRj9aWnrVh5Jcg==",
       "devOptional": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~7.10.0"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@types/react": {
@@ -5609,9 +5594,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "7.10.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.10.0.tgz",
-      "integrity": "sha512-t5Fy/nfn+14LuOc2KNYg75vZqClpAiqscVvMygNnlsHBFpSXdJaYtXMcdNLpl/Qvc3P2cB3s6lOV51nqsFq4ag==",
+      "version": "8.9.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.9.0.tgz",
+      "integrity": "sha512-KTDyRTYX8sWmKXAikPHHSyc63CRPETMctyjKFupcC6OBLXT3xsN0e9aF7m+mIXutFWpUXuedtowG7iLOzp0kQg==",
       "devOptional": true,
       "license": "MIT"
     },
diff --git a/python/packages/devui/frontend/package.json b/python/packages/devui/frontend/package.json
index 6c0c3fa8ab8..fa937de2b46 100644
--- a/python/packages/devui/frontend/package.json
+++ b/python/packages/devui/frontend/package.json
@@ -35,7 +35,7 @@
   },
   "devDependencies": {
     "@eslint/js": "^10.0.1",
-    "@types/node": "^24.3.0",
+    "@types/node": "^26.6.4",
     "@types/react": "^19.1.10",
     "@types/react-dom": "^19.1.7",
     "@vitejs/plugin-react": "^5.2.0",
diff --git a/python/packages/devui/frontend/yarn.lock b/python/packages/devui/frontend/yarn.lock
index de9e4cfe3e6..c57193c8b24 100644
--- a/python/packages/devui/frontend/yarn.lock
+++ b/python/packages/devui/frontend/yarn.lock
@@ -829,11 +829,6 @@
   resolved "https://registry.npmjs.org/@radix-ui/react-use-layout-effect/-/react-use-layout-effect-1.1.4.tgz"
   integrity sha512-K20DkRkUwDnxEYMBPcg3Y6voLkEy5p5QQmszZgLngKKiC7dzBR/aEuK3w1qlx2JWDUNH6FluahYdgR3BP+QbYw==
 
-"@radix-ui/react-use-previous@1.1.1":
-  version "1.1.1"
-  resolved "https://registry.npmjs.org/@radix-ui/react-use-previous/-/react-use-previous-1.1.1.tgz"
-  integrity sha512-2dHfToCj/pzca2Ck724OZ5L0EVrr3eHRNsG/b3xQJLA2hZpVCS99bLAX+hm1IHXDEnzU6by5z/5MIY794/a8NQ==
-
 "@radix-ui/react-use-previous@1.1.4":
   version "1.1.4"
   resolved "https://registry.npmjs.org/@radix-ui/react-use-previous/-/react-use-previous-1.1.4.tgz"
@@ -1170,12 +1165,12 @@
   resolved "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.15.tgz"
   integrity sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA==
 
-"@types/node@^24.3.0":
-  version "24.3.0"
-  resolved "https://registry.npmjs.org/@types/node/-/node-24.3.0.tgz"
-  integrity sha512-aPTXCrfwnDLj4VvXrm+UUCQjNEvJgNA8s5F1cvwQU+3KNltTOkBm1j30uNLyqqPNe7gE3KFzImYoZEfLhp4Yow==
+"@types/node@^26.6.4":
+  version "26.6.4"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-26.6.4.tgz#5aaac1a7337945f7f9a2de4e0d14e7107157e813"
+  integrity sha512-ldVPDCzj7fsaGZrLB0NuHuTvJcsNasysBAqMolr/cgxrLd1xbqxIr3XJiPnHHJUCxj5sNF1vnRj9aWnrVh5Jcg==
   dependencies:
-    undici-types "~7.10.0"
+    undici-types "~8.9.0"
 
 "@types/react-dom@^19.1.7":
   version "19.1.7"
@@ -2265,10 +2260,10 @@ typescript@~5.9.3:
   resolved "https://registry.npmjs.org/typescript/-/typescript-5.9.3.tgz"
   integrity sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==
 
-undici-types@~7.10.0:
-  version "7.10.0"
-  resolved "https://registry.npmjs.org/undici-types/-/undici-types-7.10.0.tgz"
-  integrity sha512-t5Fy/nfn+14LuOc2KNYg75vZqClpAiqscVvMygNnlsHBFpSXdJaYtXMcdNLpl/Qvc3P2cB3s6lOV51nqsFq4ag==
+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==
 
 update-browserslist-db@^1.3.0:
   version "1.3.2"
diff --git a/python/samples/05-end-to-end/ag_ui_single_agent/frontend/package-lock.json b/python/samples/05-end-to-end/ag_ui_single_agent/frontend/package-lock.json
index 172a7938e13..6b4051a9c24 100644
--- a/python/samples/05-end-to-end/ag_ui_single_agent/frontend/package-lock.json
+++ b/python/samples/05-end-to-end/ag_ui_single_agent/frontend/package-lock.json
@@ -12,7 +12,7 @@
         "react-dom": "^18.3.1"
       },
       "devDependencies": {
-        "@types/node": "^22.10.1",
+        "@types/node": "^26.6.4",
         "@types/react": "^18.3.3",
         "@types/react-dom": "^18.3.0",
         "@vitejs/plugin-react": "^6.0.2",
@@ -311,13 +311,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "22.20.1",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.20.1.tgz",
-      "integrity": "sha1-hOfN9jzaogwTSqMXzMkBqiHhbw4=",
+      "version": "26.6.4",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.4.tgz",
+      "integrity": "sha512-ldVPDCzj7fsaGZrLB0NuHuTvJcsNasysBAqMolr/cgxrLd1xbqxIr3XJiPnHHJUCxj5sNF1vnRj9aWnrVh5Jcg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@types/prop-types": {
@@ -1253,9 +1253,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "6.21.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
-      "integrity": "sha1-aR0ArzkJvpOn+qE75hs6W1DvEss=",
+      "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"
     },
diff --git a/python/samples/05-end-to-end/ag_ui_single_agent/frontend/package.json b/python/samples/05-end-to-end/ag_ui_single_agent/frontend/package.json
index 5b3a6996555..6a46dc0012c 100644
--- a/python/samples/05-end-to-end/ag_ui_single_agent/frontend/package.json
+++ b/python/samples/05-end-to-end/ag_ui_single_agent/frontend/package.json
@@ -13,7 +13,7 @@
     "react-dom": "^18.3.1"
   },
   "devDependencies": {
-    "@types/node": "^22.10.1",
+    "@types/node": "^26.6.4",
     "@types/react": "^18.3.3",
     "@types/react-dom": "^18.3.0",
     "@vitejs/plugin-react": "^6.0.2",
diff --git a/python/samples/05-end-to-end/ag_ui_workflow_handoff/frontend/package-lock.json b/python/samples/05-end-to-end/ag_ui_workflow_handoff/frontend/package-lock.json
index c1cac98d30f..20b30bf6c3a 100644
--- a/python/samples/05-end-to-end/ag_ui_workflow_handoff/frontend/package-lock.json
+++ b/python/samples/05-end-to-end/ag_ui_workflow_handoff/frontend/package-lock.json
@@ -12,7 +12,7 @@
         "react-dom": "^18.3.1"
       },
       "devDependencies": {
-        "@types/node": "^22.10.1",
+        "@types/node": "^26.6.4",
         "@types/react": "^18.3.3",
         "@types/react-dom": "^18.3.0",
         "@vitejs/plugin-react": "^6.0.2",
@@ -311,13 +311,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "22.19.11",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.19.11.tgz",
-      "integrity": "sha512-BH7YwL6rA93ReqeQS1c4bsPpcfOmJasG+Fkr6Y59q83f9M1WcBRHR2vM+P9eOisYRcN3ujQoiZY8uk5W+1WL8w==",
+      "version": "26.6.4",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.4.tgz",
+      "integrity": "sha512-ldVPDCzj7fsaGZrLB0NuHuTvJcsNasysBAqMolr/cgxrLd1xbqxIr3XJiPnHHJUCxj5sNF1vnRj9aWnrVh5Jcg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@types/prop-types": {
@@ -1254,9 +1254,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "6.21.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
-      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
+      "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"
     },
diff --git a/python/samples/05-end-to-end/ag_ui_workflow_handoff/frontend/package.json b/python/samples/05-end-to-end/ag_ui_workflow_handoff/frontend/package.json
index e15019132ca..3ce3de3578d 100644
--- a/python/samples/05-end-to-end/ag_ui_workflow_handoff/frontend/package.json
+++ b/python/samples/05-end-to-end/ag_ui_workflow_handoff/frontend/package.json
@@ -13,7 +13,7 @@
     "react-dom": "^18.3.1"
   },
   "devDependencies": {
-    "@types/node": "^22.10.1",
+    "@types/node": "^26.6.4",
     "@types/react": "^18.3.3",
     "@types/react-dom": "^18.3.0",
     "@vitejs/plugin-react": "^6.0.2",