diff --git a/docs/DEVELOPER.md b/docs/DEVELOPER.md
index 09eda22..9fdd220 100644
--- a/docs/DEVELOPER.md
+++ b/docs/DEVELOPER.md
@@ -41,7 +41,7 @@ bosh create-release \
   --version ${VERSION} --force
 git add -N releases/ .final_builds/
 git add -p
-git ci -v  # BOSH release: 2.0.0: _acme-challenge delegation
+git ci -v  # BOSH release: 2.1.0: more _acme-challenge delegation
 git tag $VERSION
 git push
 git push --tags
diff --git a/k8s/Dockerfile-sslip.io-dns-server b/k8s/Dockerfile-sslip.io-dns-server
index 1085730..d9e2b09 100644
--- a/k8s/Dockerfile-sslip.io-dns-server
+++ b/k8s/Dockerfile-sslip.io-dns-server
@@ -23,7 +23,7 @@ FROM alpine AS sslip.io
 
 LABEL maintainer="brian.cunnie@gmail.com"
 
-RUN wget https://github.com/cunnie/sslip.io/releases/download/2.0.0/sslip.io-dns-server-linux-amd64 -O /usr/sbin/sslip.io-dns-server; \
+RUN wget https://github.com/cunnie/sslip.io/releases/download/2.1.0/sslip.io-dns-server-linux-amd64 -O /usr/sbin/sslip.io-dns-server; \
   chmod 755 /usr/sbin/sslip.io-dns-server
 
 ENTRYPOINT ["/usr/sbin/sslip.io-dns-server"]