diff --git a/Gemfile b/Gemfile
index 2b3a97fe1db901a8d9d5a8e2542324313a1aa65c..057efa48d8745afb78d08fddf53dcb68b6ad8956 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,7 +11,7 @@ gem 'em-synchrony'
 gem 'eventmachine'
 gem 'faraday', '~> 1.0'
 gem 'faraday-em_synchrony'
-gem 'ruby-bandwidth-iris'
+gem 'ruby-bandwidth-iris', '~> 2.7'
 gem 'goliath'
 gem 'lazy_object'
 gem 'value_semantics'