diff --git a/Dockerfile b/Dockerfile
index 038115d..1718a2c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:20.18.1-bullseye@sha256:74ad23a4ae13681054b3ea9f7c05e891b0c0e9c856b948e0628fba70973583da as build
+FROM node:23.3.0-bullseye@sha256:63936bf1f9bec65872d9c0b8796f463f7d68bb98e7df71ad271ed3f81d2122a2 as build
 
 # renovate: datasource=github-tags depName=gchq/CyberChef versioning=semver
 ENV CYBERCHEF_VERSION v10.19.4