diff --git a/.github/workflows/frontend-build-prepare.yaml b/.github/workflows/frontend-build-prepare.yaml
index 37dbd2ad26..865f776cba 100644
--- a/.github/workflows/frontend-build-prepare.yaml
+++ b/.github/workflows/frontend-build-prepare.yaml
@@ -21,7 +21,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '20'
           cache: 'yarn'
           cache-dependency-path: frontend/yarn.lock
 
diff --git a/.github/workflows/weblate-reformat.yaml b/.github/workflows/weblate-reformat.yaml
index 2b60025b2c..d266957178 100644
--- a/.github/workflows/weblate-reformat.yaml
+++ b/.github/workflows/weblate-reformat.yaml
@@ -27,7 +27,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '20'
           cache: 'yarn'
           cache-dependency-path: frontend/yarn.lock
       - name: Install dependencies
diff --git a/frontend/Dockerfile b/frontend/Dockerfile
index 7a012a92b0..3341eebd90 100644
--- a/frontend/Dockerfile
+++ b/frontend/Dockerfile
@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1.4
-FROM --platform=$BUILDPLATFORM docker.io/library/node:18 as build_deps
+FROM --platform=$BUILDPLATFORM docker.io/library/node:20 as build_deps
 
 WORKDIR /app
 COPY .yarnrc yarn.lock package.json ./
diff --git a/frontend/docs/docs/develop/frontend-dev.md b/frontend/docs/docs/develop/frontend-dev.md
index cd475311d6..25034e8b99 100644
--- a/frontend/docs/docs/develop/frontend-dev.md
+++ b/frontend/docs/docs/develop/frontend-dev.md
@@ -10,7 +10,7 @@ Instead of rebuilding the entire frontend image to view your UI changes, you can
 
 The frontend development server requires an existing backend that has been deployed locally or is in production. See [Deploying Browsertrix](../deploy/index.md).
 
-### 2. Node.js ≥18
+### 2. Node.js ≥20
 
 To check if you already have Node.js installed, run the following command in your command line terminal:
 
@@ -18,7 +18,7 @@ To check if you already have Node.js installed, run the following command in you
 node --version
 ```
 
-You should see a version number like `v18.12.1`. If you see a command line error instead of a version number, [install Node.js](https://nodejs.org/en/download/package-manager) before continuing.
+You should see a version number like `v20.17.0`. If you see a command line error instead of a version number, [install Node.js](https://nodejs.org/en/download/package-manager) before continuing.
 
 ??? question "What if my other project requires a different version of Node.js?"
 
diff --git a/frontend/package.json b/frontend/package.json
index cb562cef70..a26da4133c 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -138,7 +138,7 @@
     }
   },
   "engines": {
-    "node": ">=18"
+    "node": ">=20"
   },
   "resolutions": {
     "**/playwright": "1.49.0",