diff --git a/features/fixtures/rails7/app/Gemfile b/features/fixtures/rails7/app/Gemfile
index 239f6f47..af060bbd 100644
--- a/features/fixtures/rails7/app/Gemfile
+++ b/features/fixtures/rails7/app/Gemfile
@@ -11,6 +11,8 @@ gem "sprockets-rails"
 # Install a compatible sqlite version on Ruby <3.0
 gem "sqlite3", RUBY_VERSION >= '3.0' ? "~> 1.7" : "< 1.7"
 
+gem "ffi", RUBY_VERSION >= '3.0' ? "~> 1.17" : "< 1.17"
+
 # Use the Puma web server [https://github.com/puma/puma]
 gem "puma", "~> 5.0"
 
diff --git a/features/fixtures/rails_integrations/app/Gemfile b/features/fixtures/rails_integrations/app/Gemfile
index f0daa0f2..a0de0bdd 100644
--- a/features/fixtures/rails_integrations/app/Gemfile
+++ b/features/fixtures/rails_integrations/app/Gemfile
@@ -14,6 +14,8 @@ if RUBY_VERSION >= '3.0.0'
   gem 'redis-namespace', github: 'resque/redis-namespace', ref: 'c31e63dc3cd5e59ef5ea394d4d46ac60d1e6f82e'
 end
 
+gem "ffi", RUBY_VERSION >= '3.0' ? "~> 1.17" : "< 1.17"
+
 gem 'resque', '~> 2.0'
 gem 'sidekiq', '~> 6.1'