--- a/Gemfile
+++ b/Gemfile
@@ -293,7 +293,9 @@
 gem 'peek-redis', '~> 1.2'
 
 # Memory benchmarks
-gem 'derailed_benchmarks', require: false
+gem 'derailed_benchmarks', require: false, path: 'vendor/gems/derailed-benchmarks'
+gem 'heapy', require: false, path: 'vendor/gems/heapy'
+gem 'ruby-statistics', require: false, path: 'vendor/gems/ruby-statistics'
 
 # Metrics
 group :metrics do