diff --git a/backend/package.json b/backend/package.json
index 3776f27e..74b07852 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -60,7 +60,7 @@
     "@types/cors": "^2.8.19",
     "@types/eventsource": "^1.1.15",
     "@types/express": "^5.0.6",
-    "@types/node": "^25.2.3",
+    "@types/node": "^26.6.6",
     "@types/supertest": "^6.0.3",
     "@types/swagger-jsdoc": "^6.0.4",
     "@types/swagger-ui-express": "^4.1.6",
diff --git a/frontend/package.json b/frontend/package.json
index 230344e4..027b104a 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -33,7 +33,7 @@
     "@testing-library/jest-dom": "^6.9.1",
     "@testing-library/react": "^16.3.2",
     "@testing-library/user-event": "^14.6.1",
-    "@types/node": "^20",
+    "@types/node": "^26",
     "@types/react": "^19.2.17",
     "@types/react-dom": "^19",
     "@vitejs/plugin-react": "^5.2.0",
diff --git a/package-lock.json b/package-lock.json
index e370471b..eb575be8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -67,7 +67,7 @@
         "@types/cors": "^2.8.19",
         "@types/eventsource": "^1.1.15",
         "@types/express": "^5.0.6",
-        "@types/node": "^25.2.3",
+        "@types/node": "^26.6.6",
         "@types/supertest": "^6.0.3",
         "@types/swagger-jsdoc": "^6.0.4",
         "@types/swagger-ui-express": "^4.1.6",
@@ -136,13 +136,13 @@
       }
     },
     "backend/node_modules/@types/node": {
-      "version": "25.3.0",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.3.0.tgz",
-      "integrity": "sha512-4K3bqJpXpqfg2XKGK9bpDTc6xO/xoUP/RBWS7AtRMug6zZFaRekiLzjVtAoZMquxoAbzBvy5nxQ7veS5eYzf8A==",
+      "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": "~7.18.0"
+        "undici-types": "~8.9.0"
       }
     },
     "backend/node_modules/bignumber.js": {
@@ -173,7 +173,7 @@
         "@testing-library/jest-dom": "^6.9.1",
         "@testing-library/react": "^16.3.2",
         "@testing-library/user-event": "^14.6.1",
-        "@types/node": "^20",
+        "@types/node": "^26.6.6",
         "@types/react": "^19.2.17",
         "@types/react-dom": "^19",
         "@vitejs/plugin-react": "^5.2.0",
@@ -228,6 +228,16 @@
         "node": ">=22.12.0"
       }
     },
+    "frontend/node_modules/@types/node": {
+      "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": "~8.9.0"
+      }
+    },
     "frontend/node_modules/bignumber.js": {
       "version": "11.1.5",
       "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-11.1.5.tgz",
@@ -572,7 +582,7 @@
       "version": "7.29.7",
       "resolved": "https://registry.npmjs.org/@babel/helper-string-parser/-/helper-string-parser-7.29.7.tgz",
       "integrity": "sha512-Pb5ijPrZ89GDH8223L4UP8i6QApWxs04RbPQJTeWDV0/keR2E36MeKnyr6LYmUUvqRRI+Iv87SuF1W6ErINzYw==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "engines": {
         "node": ">=6.9.0"
@@ -582,7 +592,7 @@
       "version": "7.29.7",
       "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.29.7.tgz",
       "integrity": "sha512-qehxGkRj55h/ff8EMaJ+cYhyaKlHIxqYDn682wQD7RNp9UujOQsHog2uS0r2vzr4pW+sXf90NeeayjcNaX3fFg==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "engines": {
         "node": ">=6.9.0"
@@ -616,7 +626,7 @@
       "version": "7.29.9",
       "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.29.9.tgz",
       "integrity": "sha512-CjXrNHTnvqBVqHgdBysY3vk2T8tpJHb5/RMeHJBTyVa9xgugCB0CJTx/3oO8RV2QRQP391RWpB7D6hLjm8V9uA==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "@babel/types": "^7.29.8"
@@ -708,7 +718,7 @@
       "version": "7.29.8",
       "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.29.8.tgz",
       "integrity": "sha512-Vj1jF3cPfxg7OAfoI7QnVKLoILlm2JF9pnVHrX8qx7AHMiYWT+NDAA7jChlNgRS4WTLc/fD1lXLmPixluj+3Gg==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "@babel/helper-string-parser": "^7.29.7",
@@ -5955,7 +5965,7 @@
       "version": "19.2.3",
       "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-19.2.3.tgz",
       "integrity": "sha512-jp2L/eY6fn+KgVVQAOqYItbF0VY/YApe5Mz2F0aykSO8gx31bYCZyvSeYxCHKvzHG5eZjc+zyaS5BrBWya2+kQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "peerDependencies": {
         "@types/react": "^19.2.0"
@@ -12035,7 +12045,7 @@
       "version": "0.3.5",
       "resolved": "https://registry.npmjs.org/magicast/-/magicast-0.3.5.tgz",
       "integrity": "sha512-L0WhttDl+2BOsybvEOLK7fW3UA0OQ0IQ2d6Zl2x/a6vVRs3bAY0ECOSHHeL5jD+SbOpOCUEi0y1DgHEn9Qn1AQ==",
-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "@babel/parser": "^7.25.4",
@@ -15818,9 +15828,9 @@
       "license": "MIT"
     },
     "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": "8.9.0",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-8.9.0.tgz",
+      "integrity": "sha512-KTDyRTYX8sWmKXAikPHHSyc63CRPETMctyjKFupcC6OBLXT3xsN0e9aF7m+mIXutFWpUXuedtowG7iLOzp0kQg==",
       "dev": true,
       "license": "MIT"
     },