diff --git a/docker/Dockerfile b/docker/Dockerfile
index a26649a4..48851001 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,5 +1,5 @@
 ### STAGE 1 BUILDING.
-FROM node:lts-alpine AS builder
+FROM node:lts-alpine3.21 AS builder
 
 # Any value inside one of the disable ARGs will be accepted.
 ARG DISABLE_MINIFY="yes" \