diff --git a/web/package-lock.json b/web/package-lock.json
index 70928ef..f5a1f67 100644
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -17,7 +17,7 @@
       "devDependencies": {
         "@eslint/eslintrc": "^3.3.6",
         "@playwright/test": "^1.62.0",
-        "@types/node": "^26.1.2",
+        "@types/node": "^26.5.1",
         "@types/papaparse": "^5.3.15",
         "@types/react": "^19.0.2",
         "@types/react-dom": "^19.0.2",
@@ -2056,13 +2056,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "26.1.2",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.1.2.tgz",
-      "integrity": "sha512-Vu4a5UFA9rIIFJ7rB/Vaafh9lrCQszopTCx6KjFboXTGQbPNasehVR5TEiithSDGyd1DEiUByggTZsg8jukeIg==",
+      "version": "26.5.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.5.1.tgz",
+      "integrity": "sha512-CzNm2FezW4VR/LjG6yUdiEgLE/rAQ9Slj5gCu/C2VrdcW7I0ahNZ8DRbHT7zOZ6r3ONgd/bsQIeSaoDGrd1C6g==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~8.3.0"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@types/papaparse": {
@@ -7054,9 +7054,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "8.3.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.3.0.tgz",
-      "integrity": "sha512-j375ScV60dom+YkPFIfTLcOiPxkN/buHz5GobjLhixFuANaNs3C9l4GmrWqejgXWJ7BbJcFYpTEUkS1Ge8bpZQ==",
+      "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/web/package.json b/web/package.json
index f24bcb4..0f7461e 100644
--- a/web/package.json
+++ b/web/package.json
@@ -20,7 +20,7 @@
   "devDependencies": {
     "@eslint/eslintrc": "^3.3.6",
     "@playwright/test": "^1.62.0",
-    "@types/node": "^26.1.2",
+    "@types/node": "^26.5.1",
     "@types/papaparse": "^5.3.15",
     "@types/react": "^19.0.2",
     "@types/react-dom": "^19.0.2",