diff --git a/ci/ruby-bind-utils/Dockerfile b/ci/ruby-bind-utils/Dockerfile
index b04e865..638fb5a 100644
--- a/ci/ruby-bind-utils/Dockerfile
+++ b/ci/ruby-bind-utils/Dockerfile
@@ -4,5 +4,5 @@ MAINTAINER Brian Cunnie <brian.cunnie@gmail.com>
 
 # need ruby to run dns-check.rb & bind-utils for dig & nslookup
 RUN dnf update -y; \
-  dnf install -y bind-utils ruby rubygems which whois; \
+  dnf install -y bind-utils iputils ruby rubygems which whois; \
   gem install rspec