diff --git a/package-lock.json b/package-lock.json
index e08a8c3..1a5e73f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -26,7 +26,7 @@
                 "@tailwindcss/forms": "^0.5.3",
                 "@tailwindcss/vite": "^4.3.3",
                 "@types/d3-geo": "^3.1.0",
-                "@types/node": "^24.3.1",
+                "@types/node": "^26.1.2",
                 "@types/react": "^19.2.17",
                 "@types/react-dom": "^19.2.3",
                 "@types/topojson-client": "^3.1.5",
@@ -1924,13 +1924,13 @@
             }
         },
         "node_modules/@types/node": {
-            "version": "24.12.2",
-            "resolved": "https://registry.npmjs.org/@types/node/-/node-24.12.2.tgz",
-            "integrity": "sha512-A1sre26ke7HDIuY/M23nd9gfB+nrmhtYyMINbjI1zHJxYteKR6qSMX56FsmjMcDb3SMcjJg5BiRRgOCC/yBD0g==",
+            "version": "26.1.2",
+            "resolved": "https://registry.npmjs.org/@types/node/-/node-26.1.2.tgz",
+            "integrity": "sha512-Vu4a5UFA9rIIFJ7rB/Vaafh9lrCQszopTCx6KjFboXTGQbPNasehVR5TEiithSDGyd1DEiUByggTZsg8jukeIg==",
             "dev": true,
             "license": "MIT",
             "dependencies": {
-                "undici-types": "~7.16.0"
+                "undici-types": "~8.3.0"
             }
         },
         "node_modules/@types/react": {
@@ -7003,9 +7003,9 @@
             }
         },
         "node_modules/undici-types": {
-            "version": "7.16.0",
-            "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.16.0.tgz",
-            "integrity": "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw==",
+            "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 6e34d19..edda219 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
         "@tailwindcss/forms": "^0.5.3",
         "@tailwindcss/vite": "^4.3.3",
         "@types/d3-geo": "^3.1.0",
-        "@types/node": "^24.3.1",
+        "@types/node": "^26.1.2",
         "@types/react": "^19.2.17",
         "@types/react-dom": "^19.2.3",
         "@types/topojson-client": "^3.1.5",