diff --git a/package-lock.json b/package-lock.json
index 7b971d3..e4ff7ed 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
         "electron-updater": "^6.8.9"
       },
       "devDependencies": {
-        "@types/node": "^20.14.0",
+        "@types/node": "^26.6.5",
         "@xterm/addon-fit": "^0.11.0",
         "@xterm/xterm": "^6.0.0",
         "axe-core": "^4.12.1",
@@ -1347,13 +1347,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "20.19.41",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.41.tgz",
-      "integrity": "sha512-ECymXOukMnOoVkC2bb1Vc/w/836DXncOg5m8Xj1RH7xSHZJWNYY6Zh7EH477vcnD5egKNNfy2RpNOmuChhFPgQ==",
+      "version": "26.6.5",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.6.5.tgz",
+      "integrity": "sha512-uMzsv9stDdofIZBx4UGh4Z9ZgXnGC9seRDscilBcTHAeOFk67MZg/k9bWVfO+bk4qZmG+l52hRnLwUiH2LnJTg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": "~6.21.0"
+        "undici-types": "~8.9.0"
       }
     },
     "node_modules/@types/responselike": {
@@ -5287,9 +5287,9 @@
       }
     },
     "node_modules/undici-types": {
-      "version": "6.21.0",
-      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.21.0.tgz",
-      "integrity": "sha512-iwDZqg0QAGrg9Rav5H4n0M64c3mkR59cJ6wQp+7C4nI0gsmExaedaYLNO44eT4AtBBwjbTiGPMlt2Md0T9H9JQ==",
+      "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/package.json b/package.json
index 4eb8729..3b4046a 100644
--- a/package.json
+++ b/package.json
@@ -104,7 +104,7 @@
     }
   },
   "devDependencies": {
-    "@types/node": "^20.14.0",
+    "@types/node": "^26.6.5",
     "@xterm/addon-fit": "^0.11.0",
     "@xterm/xterm": "^6.0.0",
     "axe-core": "^4.12.1",