This generates the following warning upon bundle install
Your Gemfile lists the gem tzinfo-data (>= 0) more than once.
You should probably keep only one of them.
Remove any duplicate entries and specify the gem only once (per group).
While it's not a problem now, it could cause errors if you change the version of one of them later.
This generates the following warning upon
bundle install
The second
tzinfo-data
was added in https://github.com/mitre/heimdall/commit/c01dd14c4e70533c96be02a0e85db2c7479e9db9