diff --git a/Gemfile b/Gemfile
index f2684000d..a73db9ae5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -76,17 +76,14 @@ group :development do
   # Access an interactive console on exception pages or by calling 'console' anywhere in the code.
   gem "web-console", ">= 4.1.0"
 
-  gem "rubocop-govuk", "4.3.0", require: false
-  gem "rubocop-performance", require: false
-  gem "rubocop-rails", require: false
-
   # Display performance information such as SQL time and flame graphs for each request in your browser.
   # Can be configured to work on production as well see: https://github.com/MiniProfiler/rack-mini-profiler/blob/master/README.md
   gem "erb_lint", require: false
-  gem "flamegraph"
-  gem "memory_profiler"
-  gem "rack-mini-profiler"
-  gem "stackprof"
+  gem "rack-mini-profiler", "~> 2.0"
+
+  gem "rubocop-govuk", "4.3.0", require: false
+  gem "rubocop-performance", require: false
+  gem "rubocop-rails", require: false
 end
 
 group :test do
diff --git a/Gemfile.lock b/Gemfile.lock
index 4f933458a..6a258f2a1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -170,7 +170,6 @@ GEM
     faker (2.23.0)
       i18n (>= 1.8.11, < 2)
     ffi (1.15.5)
-    flamegraph (0.9.5)
     globalid (1.0.0)
       activesupport (>= 5.0)
     govuk-components (3.2.1)
@@ -210,7 +209,6 @@ GEM
       mini_mime (>= 0.1.1)
     marcel (1.0.2)
     matrix (0.4.2)
-    memory_profiler (1.0.0)
     method_source (1.0.0)
     mini_mime (1.1.2)
     minitest (5.16.3)
@@ -270,7 +268,7 @@ GEM
     rack (2.2.4)
     rack-attack (6.6.1)
       rack (>= 1.0, < 3)
-    rack-mini-profiler (3.0.0)
+    rack-mini-profiler (2.3.4)
       rack (>= 1.2.0)
     rack-test (2.0.2)
       rack (>= 1.3)
@@ -391,7 +389,6 @@ GEM
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.4)
     smart_properties (1.17.0)
-    stackprof (0.2.21)
     stimulus-rails (1.1.0)
       railties (>= 6.0.0)
     strscan (3.0.4)
@@ -427,7 +424,11 @@ GEM
     zeitwerk (2.6.0)
 
 PLATFORMS
+  arm64-darwin-21
+  x86_64-darwin-19
+  x86_64-darwin-20
   x86_64-darwin-21
+  x86_64-linux
 
 DEPENDENCIES
   auto_strip_attributes
@@ -444,14 +445,12 @@ DEPENDENCIES
   erb_lint
   factory_bot_rails
   faker
-  flamegraph
   govuk-components
   govuk_design_system_formbuilder
   govuk_markdown
   jsbundling-rails
   json-schema
   listen (~> 3.3)
-  memory_profiler
   notifications-ruby-client
   overcommit (>= 0.37.0)
   paper_trail
@@ -463,7 +462,7 @@ DEPENDENCIES
   pry-byebug
   puma (~> 5.0)
   rack-attack
-  rack-mini-profiler
+  rack-mini-profiler (~> 2.0)
   rails (~> 7.0.2)
   redis
   roo
@@ -476,7 +475,6 @@ DEPENDENCIES
   sentry-ruby
   sidekiq
   simplecov
-  stackprof
   stimulus-rails
   timecop (~> 0.9.4)
   tzinfo-data