diff --git a/build/Dockerfile b/build/Dockerfile
index d303bb4..ef0f9be 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -2,7 +2,7 @@
 
 # allow dynamic building by specifying base image elements as build-args
 ARG NODE_VERSION=16
-ARG ALPINE_VERSION=3.14
+ARG ALPINE_VERSION=3.15
 FROM node:${NODE_VERSION}-alpine${ALPINE_VERSION}
 ARG NODE_VERSION
 ARG ALPINE_VERSION