diff --git a/Dockerfile b/Dockerfile
index e8fd3cdab..b603d93b4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # builder image
-FROM node:18.18.1 AS builder
+FROM node:21.1.0 AS builder
 LABEL maintainer="grushton@broadinstitute.org"
 
 # set working directory