diff --git a/packages/reg-notify-chatwork-plugin/package.json b/packages/reg-notify-chatwork-plugin/package.json
index 5958f88f..0e3c285e 100644
--- a/packages/reg-notify-chatwork-plugin/package.json
+++ b/packages/reg-notify-chatwork-plugin/package.json
@@ -18,7 +18,7 @@
   "repository": "git+https://github.com/reg-viz/reg-suit.git",
   "license": "MIT",
   "dependencies": {
-    "undici": "^5.22.1"
+    "undici": "^6.0.0"
   },
   "devDependencies": {
     "reg-suit-interface": "^0.14.2",
diff --git a/packages/reg-notify-github-plugin/package.json b/packages/reg-notify-github-plugin/package.json
index a48a0d8f..8d419f0b 100644
--- a/packages/reg-notify-github-plugin/package.json
+++ b/packages/reg-notify-github-plugin/package.json
@@ -33,6 +33,6 @@
     "reg-gh-app-interface": "^1.3.0",
     "reg-suit-util": "^0.14.3",
     "tiny-commit-walker": "^1.1.2",
-    "undici": "^5.22.1"
+    "undici": "^6.0.0"
   }
 }
diff --git a/packages/reg-notify-github-with-api-plugin/package.json b/packages/reg-notify-github-with-api-plugin/package.json
index 538c5d0b..50f18167 100644
--- a/packages/reg-notify-github-with-api-plugin/package.json
+++ b/packages/reg-notify-github-with-api-plugin/package.json
@@ -32,6 +32,6 @@
     "graphql-tag": "^2.11.0",
     "reg-suit-util": "^0.14.3",
     "tiny-commit-walker": "^1.2.1",
-    "undici": "^5.22.1"
+    "undici": "^6.0.0"
   }
 }
diff --git a/packages/reg-notify-gitlab-plugin/package.json b/packages/reg-notify-gitlab-plugin/package.json
index 98e0d1de..8f131638 100644
--- a/packages/reg-notify-gitlab-plugin/package.json
+++ b/packages/reg-notify-gitlab-plugin/package.json
@@ -29,6 +29,6 @@
   },
   "dependencies": {
     "reg-suit-util": "^0.14.3",
-    "undici": "^5.22.1"
+    "undici": "^6.0.0"
   }
 }
diff --git a/packages/reg-notify-slack-plugin/package.json b/packages/reg-notify-slack-plugin/package.json
index e8c32a57..ea7cc46d 100644
--- a/packages/reg-notify-slack-plugin/package.json
+++ b/packages/reg-notify-slack-plugin/package.json
@@ -18,7 +18,7 @@
   "repository": "git+https://github.com/reg-viz/reg-suit.git",
   "license": "MIT",
   "dependencies": {
-    "undici": "^5.22.1"
+    "undici": "^6.0.0"
   },
   "devDependencies": {
     "reg-suit-interface": "^0.14.2",
diff --git a/yarn.lock b/yarn.lock
index 514aee7d..31dc6c90 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -9328,10 +9328,10 @@ unbzip2-stream@1.3.3:
     buffer "^5.2.1"
     through "^2.3.8"
 
-undici@^5.22.1:
-  version "5.28.3"
-  resolved "https://registry.yarnpkg.com/undici/-/undici-5.28.3.tgz#a731e0eff2c3fcfd41c1169a869062be222d1e5b"
-  integrity sha512-3ItfzbrhDlINjaP0duwnNsKpDQk3acHI3gVJ1z4fmwMK31k5G9OVIAMLSIaP6w4FaGkaAkN6zaQO9LUvZ1t7VA==
+undici@^6.0.0:
+  version "6.7.0"
+  resolved "https://registry.yarnpkg.com/undici/-/undici-6.7.0.tgz#ab7eccb292c8e831c93564ac59f8323c0e8aa842"
+  integrity sha512-IcWssIyDN1gk6Mcae44q04oRoWTKrW8OKz0effVK1xdWwAgMPnfpxhn9RXUSL5JlwSikO18R7Ibk7Nukz6kxWA==
   dependencies:
     "@fastify/busboy" "^2.0.0"