diff --git a/Dockerfile b/Dockerfile
index 3210bff..5d3f471 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:20.18.3-bullseye@sha256:eaf0b98ca475d59fcb5b6571fab3dc7486b74f4123672af4a8eddbb4c3f35a1e as build
+FROM node:23.8.0-bullseye@sha256:98d49b822742e0bb9d6cd7306021b295c12ba5a10de004a47ab1a2a359e11d60 as build
 
 # renovate: datasource=github-tags depName=gchq/CyberChef versioning=semver
 ENV CYBERCHEF_VERSION v10.19.4