rbenv: You don't have write permissions for the /Library/Ruby/Gems/2.6.0 directory.

I’m trying to install bundler on my Mac OS Catalina, but it isn’t letting me, help

% gem install bundler
ERROR:  While executing gem ... (Gem::FilePermissionError)
    You don't have write permissions for the /Library/Ruby/Gems/2.6.0 directory.

Update: solution is on the wiki

About this issue

Original URL
State: closed
Created 4 years ago
Reactions: 7
Comments: 16 (2 by maintainers)

Links to this issue

macos - You don't have write permissions for the /Library/Ruby/Gems/2.3.0 directory. (mac user) - Stack Overflow

Most upvoted comments

I had to export GEM_HOME

export GEM_HOME="$HOME/.gem"

+928

chanux on Nov 19, 2020

I had to set my global ruby to the rbenv version:

rbenv global 2.6.3

+28

wilrnh on Feb 11, 2021

wow, this probably should be in the installation instruction 😃 rbenv doesn’t install without this step on a mac today

mimoo on May 29, 2021

@wilrnh Thank you for the tip. I had the same issue. Apparently, my version was set to system. Setting the global Ruby to one of the available Ruby versions in my system (i.e.: 2.7.2) fixed it for me.

fatih on Feb 21, 2021

Is rbenv installed on your machine? What steps have you performed for installing ruby? Can you verify if this stackoverflow answer helps.

KapilSachdev on Sep 8, 2020