diff --git a/Dockerfile b/Dockerfile
index 134cef8..0b425ff 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:20.19.2-bullseye@sha256:2a433d4103754e824e077bda7f4aec2043b9a8fe01d0509dcd5e0ef4687b269b as build
+FROM node:20.19.2-bullseye@sha256:eefc88fcfc39baf7654bc25c22d5847fe8891fdde47218b2a518e0bcf1483c02 as build
 
 # renovate: datasource=github-tags depName=gchq/CyberChef versioning=semver
 ENV CYBERCHEF_VERSION v10.19.4