diff --git a/Dockerfile b/Dockerfile
index a83a511..333e89d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,4 +2,4 @@ FROM ruby:2.5
 
 MAINTAINER Jacob Henner <code@ventricle.us>
 
-RUN gem install puppet puppet-lint puppet-syntax rspec-puppet puppetlabs_spec_helper jsonlint yaml-lint metadata-json-lint semantic_puppet rubocop rubocop-rspec pdk puppet-strings rgen librarian-puppet
+RUN gem install bundler puppet puppet-lint puppet-syntax rspec-puppet puppetlabs_spec_helper jsonlint yaml-lint metadata-json-lint semantic_puppet rubocop rubocop-rspec pdk puppet-strings rgen librarian-puppet