diff --git a/Dockerfile b/Dockerfile
index d5325778..de8bee43 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ ARG HUMHUB_VERSION=1.6.2
 
 FROM composer:1.10.10 as builder-composer
 
-FROM alpine:3.12.0 as builder
+FROM alpine:3.17.3 as builder
 
 ARG HUMHUB_VERSION
 
@@ -61,7 +61,7 @@ RUN grunt build-assets
 
 RUN rm -rf ./node_modules
 
-FROM alpine:3.12.0
+FROM alpine:3.17.3
 
 ARG HUMHUB_VERSION