diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 9b9920514..ab3061417 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -3,7 +3,7 @@
 {
 	"name": "CyberChef",
 	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-	"image": "mcr.microsoft.com/devcontainers/javascript-node:1-20-bookworm",
+	"image": "mcr.microsoft.com/devcontainers/javascript-node:1-22-trixie",
 
 	// Features to add to the dev container. More info: https://containers.dev/features.
 	"features": {
diff --git a/Dockerfile b/Dockerfile
index 1ad605a12..7ed0f1c11 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@
 # Modifier --platform=$BUILDPLATFORM limits the platform to "BUILDPLATFORM" during buildx multi-platform builds
 # This is because npm "chromedriver" package is not compatiable with all platforms
 # For more info see: https://docs.docker.com/build/building/multi-platform/#cross-compilation
-FROM --platform=$BUILDPLATFORM node:20-alpine AS builder
+FROM --platform=$BUILDPLATFORM node:22-alpine AS builder
 
 WORKDIR /app
 
diff --git a/README.md b/README.md
index a8d8cb03f..a1ea3a5a2 100755
--- a/README.md
+++ b/README.md
@@ -120,7 +120,7 @@ CyberChef is built to support
 
 ## Node.js support
 
-CyberChef is built to fully support Node.js `v20`. For more information, see the ["Node API" wiki page](https://github.com/gchq/CyberChef/wiki/Node-API)
+CyberChef is built to fully support Node.js `v22`. For more information, see the ["Node API" wiki page](https://github.com/gchq/CyberChef/wiki/Node-API)
 
 
 ## Contributing
diff --git a/package.json b/package.json
index b8cdf1465..babc5808b 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
   "browserslist": [
     "Chrome >= 50",
     "Firefox >= 38",
-    "node >= 20"
+    "node >= 22"
   ],
   "devDependencies": {
     "@babel/core": "^7.24.7",