# Passenger Crashes, It needs an old version of rack

**URL:** <https://www.ruby-forum.com/t/passenger-crashes-it-needs-an-old-version-of-rack/189807>\
**Category:** Ruby\
**Created:** [June 8, 2010, 6:28am UTC](https://www.ruby-forum.com/t/passenger-crashes-it-needs-an-old-version-of-rack/189807 "2010-06-08T06:28:12Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![daveh](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/85e7bf/32.png) [@daveh](https://www.ruby-forum.com/u/daveh)\
**Post date:** [June 8, 2010, 6:28am UTC](https://www.ruby-forum.com/t/passenger-crashes-it-needs-an-old-version-of-rack/189807/1 "2010-06-08T06:28:12Z")

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Passenger Crashes, It needs rack 1.0.0 and my system only has rack  
1.1.0

How do I get the old version? gem install --version ‘=1.0.0’ rack  
does not work?