diff --git a/package-lock.json b/package-lock.json
index 4d228a7..7e578eb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -18,7 +18,7 @@
         "dts-bundle-generator": "^9.5.1",
         "tsup": "^8.5.1",
         "typescript": "^5.4.5",
-        "undici": "^7.28.0"
+        "undici": "^7.29.0"
       },
       "engines": {
         "node": ">=20"
@@ -1852,9 +1852,9 @@
       "license": "MIT"
     },
     "node_modules/undici": {
-      "version": "7.28.0",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-7.28.0.tgz",
-      "integrity": "sha512-cRZYrTDwWznlnRiPjggAGxZXanty6M8RV1ff8Wm4LWXBp7/IG8v5DnOm74DtUBp9OONpK75YlPnIjQqX0dBDtA==",
+      "version": "7.29.0",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-7.29.0.tgz",
+      "integrity": "sha512-IDxfleLmmbSskfWSUATiN1nfn2rDuvnMOqb5CWR92iIfojA0Ud+ulOAAEQ57LPr9rWmsreUyf5lwyao+7GNNVw==",
       "license": "MIT",
       "engines": {
         "node": ">=20.18.1"
@@ -1963,7 +1963,7 @@
       "dependencies": {
         "@signicode/verser-common": "0.7.1",
         "@signicode/verser2-guest-js-common": "0.7.1",
-        "undici": "^7.28.0"
+        "undici": "^7.29.0"
       },
       "engines": {
         "node": ">=20"
diff --git a/package.json b/package.json
index 498882b..2bdb95d 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "dts-bundle-generator": "^9.5.1",
     "tsup": "^8.5.1",
     "typescript": "^5.4.5",
-    "undici": "^7.28.0"
+    "undici": "^7.29.0"
   },
   "overrides": {
     "esbuild": "^0.28.1"
diff --git a/packages/verser2-guest-node/package.json b/packages/verser2-guest-node/package.json
index 45947a3..4e51267 100644
--- a/packages/verser2-guest-node/package.json
+++ b/packages/verser2-guest-node/package.json
@@ -26,7 +26,7 @@
   "dependencies": {
     "@signicode/verser-common": "0.7.1",
     "@signicode/verser2-guest-js-common": "0.7.1",
-    "undici": "^7.28.0"
+    "undici": "^7.29.0"
   },
   "scripts": {
     "build": "tsup src/index.ts --format cjs --target es2019 --platform node --sourcemap --clean --external @signicode/verser-common --external @signicode/verser2-guest-js-common --external undici && dts-bundle-generator --project tsconfig.json --out-file dist/index.d.ts src/index.ts && node ../../scripts/copy-package-license.js ."