diff --git a/Gemfile b/Gemfile
index 14b81a28c7..50a64cb139 100644
--- a/Gemfile
+++ b/Gemfile
@@ -250,6 +250,8 @@ begin
   gem 'memory_profiler', require: false, platform: [:mri_21, :mri_22]
 rescue Bundler::GemfileError
   STDERR.puts "You are running an old version of bundler, please upgrade bundler ASAP, if you are using Discourse docker, rebuild your container."
+  gem 'stackprof', require: false, platform: [:mri_21]
+  gem 'memory_profiler', require: false, platform: [:mri_21]
 end
 
 gem 'rmmseg-cpp', require: false