diff --git a/agentensemble-viz/package-lock.json b/agentensemble-viz/package-lock.json
index fd2e4c3..aa88893 100644
--- a/agentensemble-viz/package-lock.json
+++ b/agentensemble-viz/package-lock.json
@@ -21,7 +21,7 @@
         "@tailwindcss/vite": "^4.3.3",
         "@testing-library/jest-dom": "^6.4.2",
         "@testing-library/react": "^16.0.0",
-        "@types/node": "^25.9.3",
+        "@types/node": "^26.2.0",
         "@types/react": "^19.2.18",
         "@types/react-dom": "^19.2.4",
         "@vitejs/plugin-react": "^5.1.4",
@@ -1984,13 +1984,13 @@
       "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": "26.2.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.2.0.tgz",
+      "integrity": "sha512-5IviulTZeRNp2vAJ514cc/HUlY5nZ9fCbq9DMyC52BrhFZACo3nI0R7qBxhQmo/d27NFe96ur/b7Wwxklda+kg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": ">=7.24.0 <7.24.7"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@types/react": {
@@ -3661,9 +3661,9 @@
       }
     },
     "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/agentensemble-viz/package.json b/agentensemble-viz/package.json
index 0839163..622b43f 100644
--- a/agentensemble-viz/package.json
+++ b/agentensemble-viz/package.json
@@ -39,7 +39,7 @@
     "@tailwindcss/vite": "^4.3.3",
     "@testing-library/jest-dom": "^6.4.2",
     "@testing-library/react": "^16.0.0",
-    "@types/node": "^25.9.3",
+    "@types/node": "^26.2.0",
     "@types/react": "^19.2.18",
     "@types/react-dom": "^19.2.4",
     "@vitejs/plugin-react": "^5.1.4",