diff --git a/.circleci/config.yml b/.circleci/config.yml
index ef1e242a..362b9239 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -12,7 +12,7 @@ executors:
         default: false
       version:
         type: string
-        default: '18.17.0' # Specify LTS major and minor for development
+        default: '18.18.0' # Specify LTS major and minor for development
     docker:
       - image: cimg/node:<< parameters.version >><<# parameters.browser >>-browsers<</ parameters.browser >>
     working_directory: ~/marp-cli
diff --git a/.github/workflows/test-win.yml b/.github/workflows/test-win.yml
index 0c2a07f6..d0de9c49 100644
--- a/.github/workflows/test-win.yml
+++ b/.github/workflows/test-win.yml
@@ -20,7 +20,7 @@ jobs:
       matrix:
         node-version:
           - '^16.18.1'
-          - '18.17.0'
+          - '18.18.0'
 
     steps:
       # - name: Output concurrency group
diff --git a/.nvmrc b/.nvmrc
index 603606bc..02c8b485 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-18.17.0
+18.18.0
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6b35431e..e84d5a53 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Changed
+
+- Upgrade development Node.js LTS to v18.18.0 ([#547](https://github.com/marp-team/marp-cli/pull/547))
+
 ## v3.2.1 - 2023-08-24
 
 ### Added