diff --git a/Appraisals b/Appraisals
index 6de1180..d3b3a6b 100644
--- a/Appraisals
+++ b/Appraisals
@@ -17,7 +17,6 @@ versions_map.each do |rails_version, ruby_versions|
 
     appraise "rails-#{rails_version}" do
       gem "rails", "~> #{rails_version}.0"
-      gem "ffi", "< 1.17" if ruby_version == "2.7"
     end
   end
 end
diff --git a/Gemfile b/Gemfile
index be173b2..49aee2f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,3 +3,6 @@
 source "https://rubygems.org"
 
 gemspec
+
+# FIXME: remove this after drop support for Ruby 2.7
+gem "ffi", "< 1.17"