diff --git a/web/package-lock.json b/web/package-lock.json
index 1743c57..c46c6cd 100644
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -46,7 +46,7 @@
         "@testing-library/jest-dom": "^7.0.1",
         "@testing-library/react": "^16.3.3",
         "@testing-library/user-event": "^14.6.7",
-        "@types/node": "^25.0.8",
+        "@types/node": "^26.6.6",
         "@types/react": "^19.3.0",
         "@types/react-big-calendar": "^1.8.9",
         "@types/react-dom": "^19.3.0",
@@ -2651,13 +2651,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "25.9.4",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.4.tgz",
-      "integrity": "sha512-dszCsrKb5U7ZsVZBWiHFklTloVl0mSEnWH/iZXfZUlI4rzCUnsvGmgqfuVRHL54ugE7/wRuxEIXRa2iMZ+BG6g==",
+      "version": "26.6.6",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.6.tgz",
+      "integrity": "sha512-MzQj+8Kx3XI40OmUAE6Qoh58ZMNstNNMwn2nfd3qWsfe7nDNSqJNzes4njhz6AHwrSHOffSLwXU6yb474Q4aog==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": ">=7.24.0 <7.24.7"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@types/prop-types": {
@@ -6088,9 +6088,9 @@
       }
     },
     "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": "8.9.0",
+      "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 af723cd..be4b5b3 100644
--- a/web/package.json
+++ b/web/package.json
@@ -58,7 +58,7 @@
     "@testing-library/jest-dom": "^7.0.1",
     "@testing-library/react": "^16.3.3",
     "@testing-library/user-event": "^14.6.7",
-    "@types/node": "^25.0.8",
+    "@types/node": "^26.6.6",
     "@types/react": "^19.3.0",
     "@types/react-big-calendar": "^1.8.9",
     "@types/react-dom": "^19.3.0",