diff --git a/Dockerfile b/Dockerfile
index f0e3b7d..fb502f0 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine
-MAINTAINER Alper Kanat <tunix@raptiye.org>
-RUN apk --no-cache add curl jq
+MAINTAINER Alper Kanat <me@alperkan.at>
+RUN apk --no-cache add curl jq bash
 COPY dyndns.sh /
 USER nobody
 ENTRYPOINT exec /dyndns.sh