Gemfile in sbmt-kafka_consumer-2.2.0 vs Gemfile in sbmt-kafka_consumer-2.3.0

@@ -1,5 +1,8 @@
 # frozen_string_literal: true
 
 source "https://rubygems.org"
 
 gemspec
+
+# FIXME: remove this after drop support for Ruby 2.7
+gem "ffi", "< 1.17"