# Run An Older Version Of Bundler You can check your current version of bundler like so: ```bash $ bundle --version 1.17.3 ``` If you have older versions of bundler, you run against those by specifying the version in the command: ```bash $ bundle _1.16.6_ --version 1.16.6 ``` Likewise this can be used with any bundler command: ```bash $ bundle _1.16.6_ install ``` [source](https://makandracards.com/makandra/9741-run-specific-version-of-bundler)