diff --git a/Gemfile b/Gemfile
index 78e74f37dc..0f5221fac3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,6 +8,8 @@ ENV['BOLT_DISABLE_ANALYTICS'] = 'true'
 # Disable warning that Bolt may be installed as a gem
 ENV['BOLT_GEM'] = 'true'
 
+ruby '2.7.7', :bundler => ">= 2.3.4"
+
 gemspec
 
 group(:bolt_server) do