diff --git a/Dockerfile b/Dockerfile
index f151d3a..e41c634 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:16.14.2-bullseye@sha256:7043affac2aaae6e263197746d3c2074b35f0076276ced7bd0f17cb538456c3e as build
+FROM node:16.15.0-bullseye@sha256:dd04637efe3c13087c25a3e6049b6d607652edc71d25a9d4cd73e4b0e6a7faa0 as build
 
 # renovate: datasource=github-tags depName=gchq/CyberChef versioning=semver
 ENV CYBERCHEF_VERSION v9.37.3