diff --git a/core/base/Dockerfile b/core/base/Dockerfile
index 6f31e21c..af99ccc3 100644
--- a/core/base/Dockerfile
+++ b/core/base/Dockerfile
@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile-upstream:1.4.3
 
 # base system image (intermediate)
-ARG DISTRO=alpine:3.16.2
+ARG DISTRO=alpine:3.16.3
 FROM $DISTRO as system
 
 ENV TZ=Etc/UTC LANG=C.UTF-8