diff --git a/package-lock.json b/package-lock.json
index 2a7407c..8158a90 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,7 +24,7 @@
         "@tailwindcss/forms": "^0.5.11",
         "@tailwindcss/postcss": "^4.2.4",
         "@types/d3": "^7.4.3",
-        "@types/node": "^25",
+        "@types/node": "^26",
         "@types/react": "^19",
         "@types/react-dom": "^19",
         "eslint": "^10.3.0",
@@ -2172,13 +2172,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "25.5.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.5.0.tgz",
-      "integrity": "sha512-jp2P3tQMSxWugkCUKLRPVUpGaL5MVFwF8RDuSRztfwgN1wmqJeMSbKlnEtQqU8UrhTmzEmZdu2I6v2dpp7XIxw==",
+      "version": "26.4.0",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.4.0.tgz",
+      "integrity": "sha512-faiGnoIrLH/V8cibOMEAZ8pMw6oXqSukl29ra4mN8GdaB2ZewzeaLj+INpV5N+Z1eKWzY+IzaIZH2EIR6YZRNQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~7.18.0"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@types/react": {
@@ -7352,9 +7352,9 @@
       }
     },
     "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==",
       "dev": true,
       "license": "MIT"
     },
diff --git a/package.json b/package.json
index 70396fa..80c565a 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "@tailwindcss/forms": "^0.5.11",
     "@tailwindcss/postcss": "^4.2.4",
     "@types/d3": "^7.4.3",
-    "@types/node": "^25",
+    "@types/node": "^26",
     "@types/react": "^19",
     "@types/react-dom": "^19",
     "eslint": "^10.3.0",