diff --git a/Containers/domaincheck/Dockerfile b/Containers/domaincheck/Dockerfile
index f81f548c..6c5d9618 100644
--- a/Containers/domaincheck/Dockerfile
+++ b/Containers/domaincheck/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.15.4
+FROM alpine:3.16.1
 RUN apk add --update --no-cache lighttpd bash
 
 RUN adduser -S www-data -G www-data