diff --git a/package-lock.json b/package-lock.json
index ccf555c..8fb4210 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
         "codex-hud-tmux": "dist/tmux.js"
       },
       "devDependencies": {
-        "@types/node": "^25.6.0",
+        "@types/node": "^26.1.1",
         "c8": "^11.0.0",
         "typescript": "^6.0.3"
       },
@@ -70,13 +70,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "25.9.5",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-25.9.5.tgz",
-      "integrity": "sha512-OScDchr2fwuUmWdf4kZ9h7PcJiYDVInhJizG/biAq3cAvqwYktuy/TYGGdZNMtNTFUP7rnb0NU4TUdm82kt4Rg==",
+      "version": "26.1.1",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-26.1.1.tgz",
+      "integrity": "sha512-nxAkRSVkN1Y0JC1W8ky/fTfkGsMmcrRsbx+3XoZE+rMOX71kLYTV7fLXpqud1GpbpP5TuffXFqfX7fH2GgZREw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "undici-types": ">=7.24.0 <7.24.7"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/ansi-regex": {
@@ -572,9 +572,9 @@
       }
     },
     "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": "8.3.0",
+      "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 87e9b16..9448d8e 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "node": ">=18.0.0"
   },
   "devDependencies": {
-    "@types/node": "^25.6.0",
+    "@types/node": "^26.1.1",
     "c8": "^11.0.0",
     "typescript": "^6.0.3"
   }