diff --git a/Dockerfile b/Dockerfile
index 1687d0bc0f..c1ac81f09e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
-# syntax = docker/dockerfile:1.4
+# syntax = docker/dockerfile:1.20
 
-ARG NODE_VERSION=22.15.0-bookworm
+ARG NODE_VERSION=22.21.1-bookworm
 
 # build assets & compile TypeScript