diff --git a/.gitignore b/.gitignore
index da50063b32..1a2f62b6e1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -55,3 +55,4 @@ public/uploads
 docker-compose.override.yml
 *~undo-tree~
 .DS_Store
+/bundler.d/
diff --git a/Gemfile b/Gemfile
index c12f7d1001..092bd48caa 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,10 @@
 # frozen_string_literal: true
 
+# for knapsack overrides of gems. See https://github.com/ManageIQ/bundler-inject
+# can be moved to released version once https://github.com/ManageIQ/bundler-inject/pull/34 is merged and released
+plugin 'bundler-inject', git: 'https://github.com:repo/my_plugin.git'
+require File.join(Bundler::Plugin.index.load_paths("bundler-inject")[0], "bundler-inject") rescue nil
+
 # rubocop:disable Layout/LineLength
 source 'https://rubygems.org'
 
diff --git a/bundler.d/.gitkeep b/bundler.d/.gitkeep
new file mode 100644
index 0000000000..e69de29bb2