diff --git a/puppet_litmus.gemspec b/puppet_litmus.gemspec
index 19ade128..ee067e44 100644
--- a/puppet_litmus.gemspec
+++ b/puppet_litmus.gemspec
@@ -33,4 +33,8 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency 'rspec'
   spec.add_runtime_dependency 'honeycomb-beeline'
   spec.add_runtime_dependency 'rspec_honeycomb_formatter'
+
+  # Set a hard dependency on r10k 3.15.1 to avoid a dependency issues with gettext-setup
+  # and earlier versions of puppet
+  spec.add_runtime_dependency 'r10k', '= 3.15.1'
 end