diff --git a/k8s/Dockerfile-sslip.io-dns-server b/k8s/Dockerfile-sslip.io-dns-server
index 76e7245..756f07a 100644
--- a/k8s/Dockerfile-sslip.io-dns-server
+++ b/k8s/Dockerfile-sslip.io-dns-server
@@ -24,7 +24,8 @@ FROM alpine AS sslip.io
 LABEL maintainer="brian.cunnie@gmail.com"
 
 RUN wget https://github.com/cunnie/sslip.io/releases/download/2.1.2/sslip.io-dns-server-linux-amd64 -O /usr/sbin/sslip.io-dns-server; \
-  chmod 755 /usr/sbin/sslip.io-dns-server
+  chmod 755 /usr/sbin/sslip.io-dns-server; \
+  apk update && apk add bind-tools
 
 ENTRYPOINT ["/usr/sbin/sslip.io-dns-server"]