diff --git a/CHANGELOG.mkd b/CHANGELOG.mkd
index d12e7a83e..8917e5988 100644
--- a/CHANGELOG.mkd
+++ b/CHANGELOG.mkd
@@ -7,6 +7,7 @@ Unreleased
 - Add 'strip\_component' environment source configuration setting, to allow deploying Git branches named like "env/production" as Puppet environments named like "production". [#1128](https://github.com/puppetlabs/r10k/pull/1128)
 - A warning will be emitted when the user supplies conflicting arguments to module definitions in a Puppetfile, such as when specifying both :commit and :branch [#1130](https://github.com/puppetlabs/r10k/pull/1130)
 - Add optional standard module and environment specification interface: name, type, source, version. These options can be used when specifying environments and/or modules in a yaml/exec source, as well as when specifying modules in a Puppetfile. Providing the standard interface simplifies integrations with external services [#1131](https://github.com/puppetlabs/r10k/pull/1131)
+- Pin cri to 2.15.10 to maintain support for Ruby 2.3 and 2.4 [#1121](https://github.com/puppetlabs/r10k/issues/1121)
 
 3.8.0
 -----
diff --git a/r10k.gemspec b/r10k.gemspec
index 55b3ce37c..edf37b656 100644
--- a/r10k.gemspec
+++ b/r10k.gemspec
@@ -23,7 +23,7 @@ Gem::Specification.new do |s|
   s.license  = 'Apache-2.0'
 
   s.add_dependency 'colored2',   '3.1.2'
-  s.add_dependency 'cri', ['>= 2.15.10', '< 3.0.0']
+  s.add_dependency 'cri', '2.15.10'
 
   s.add_dependency 'log4r',     '1.1.10'
   s.add_dependency 'multi_json', '~> 1.10'