diff --git a/.circleci/config.yml b/.circleci/config.yml
index 72ed04fa4f..b58d3aa666 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -33,7 +33,7 @@ jobs:
 
   frontend:
     docker:
-      - image: cimg/node:18.12
+      - image: cimg/node:20.9
     steps:
       - checkout
       - restore_cache:
diff --git a/.nvmrc b/.nvmrc
index 3c032078a4..209e3ef4b6 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-18
+20
diff --git a/.squash.yml b/.squash.yml
index 19f774a788..c6ca676417 100644
--- a/.squash.yml
+++ b/.squash.yml
@@ -3,7 +3,7 @@ deployments:
     dockerimage: python:3.11.4-slim-bullseye
     build_steps:
       - apt-get update && apt-get install -y libssl-dev libpq-dev git build-essential libfontconfig1 libfontconfig1-dev curl
-      - RUN bash -c "curl -sL https://deb.nodesource.com/setup_18.x | bash -"
+      - RUN bash -c "curl -sL https://deb.nodesource.com/setup_20.x | bash -"
       - apt install -y nodejs
       - pip install setuptools pip --upgrade --force-reinstall
       - cd /code
diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 0ff8c8715d..1851af9308 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -32,6 +32,7 @@ Changelog
  * Maintenance: Remove icon font support (Matt Westcott)
  * Maintenance: Remove deprecated SVG icons (Matt Westcott)
  * Maintenance: Migrate account editing view to a class-based view (Kehinde Bobade)
+ * Maintenance: Upgrade frontend tooling to use Node 20 (LB (Ben) Johnston)
 
 
 5.2.1 (xx.xx.xxxx) - IN DEVELOPMENT
diff --git a/docs/releases/6.0.md b/docs/releases/6.0.md
index c60ef5f59a..943f61cae5 100644
--- a/docs/releases/6.0.md
+++ b/docs/releases/6.0.md
@@ -51,6 +51,7 @@ depth: 1
  * Remove icon font support (Matt Westcott)
  * Remove deprecated SVG icons (Matt Westcott)
  * Migrate account editing view to a class-based view (Kehinde Bobade)
+ * Upgrade frontend tooling to use Node 20 (LB (Ben) Johnston)
 
 
 ## Upgrade considerations - changes affecting all projects
diff --git a/package-lock.json b/package-lock.json
index 1193424add..8d9d8e163c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -82,7 +82,7 @@
         "webpack-cli": "^4.9.1"
       },
       "engines": {
-        "node": ">=18.0.0"
+        "node": ">=20.0.0"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
diff --git a/package.json b/package.json
index a29d1e9f98..9c075eeb96 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "repository": "https://github.com/wagtail/wagtail",
   "private": true,
   "engines": {
-    "node": ">=18.0.0"
+    "node": ">=20.0.0"
   },
   "browserslist": [
     "Firefox ESR",