diff --git a/package-lock.json b/package-lock.json
index 649f9b5..a0722ea 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
       "devDependencies": {
         "@earendil-works/pi-coding-agent": "^0.80.2",
-        "@types/node": "^24.10.1",
+        "@types/node": "^26.1.1",
         "@vitest/coverage-v8": "^4.1.8",
         "actionlint": "2.0.6",
         "typebox": "^1.1.38",
@@ -2443,13 +2443,13 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "24.13.2",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.13.2.tgz",
-      "integrity": "sha512-fRa09kZTgu8o71KFcDjUFuc7F+dEbZYZmkI0mg5YBTRs0yMKjYHsq/c0urDKeDb+D5qVgXOdFcuu+DZPKOITwA==",
+      "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": "~7.18.0"
+        "undici-types": "~8.3.0"
       }
     },
     "node_modules/@vitest/coverage-v8": {
@@ -3328,9 +3328,9 @@
       }
     },
     "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": "8.3.0",
+      "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 e8378b8..7be87fa 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
   },
   "devDependencies": {
     "@earendil-works/pi-coding-agent": "^0.80.2",
-    "@types/node": "^24.10.1",
+    "@types/node": "^26.1.1",
     "@vitest/coverage-v8": "^4.1.8",
     "actionlint": "2.0.6",
     "typebox": "^1.1.38",