diff --git a/Containers/domaincheck/Dockerfile b/Containers/domaincheck/Dockerfile
index 57192bcc..af023d27 100644
--- a/Containers/domaincheck/Dockerfile
+++ b/Containers/domaincheck/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.16.2
+FROM alpine:3.16.3
 RUN apk add --update --no-cache lighttpd bash curl netcat-openbsd
 
 RUN adduser -S www-data -G www-data