diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 03d98ef5e8..89b833499f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -86,6 +86,11 @@ jobs:
           git show --no-patch # the commit being tested (which is often a merge due to actions/checkout@v3)
           bin/rake knapsack_pro:rspec
 
+      - name: Check code coverage changes
+
+        run: |
+          bundle exec undercover --compare origin/master
+
   models:
     runs-on: ubuntu-22.04
     services:
@@ -145,6 +150,11 @@ jobs:
         run: |
           bin/rake knapsack_pro:rspec
 
+      - name: Check code coverage changes
+
+        run: |
+          bundle exec undercover --compare origin/master
+
   system_admin:
     runs-on: ubuntu-22.04
     services:
@@ -222,6 +232,11 @@ jobs:
           path: tmp/capybara/screenshots/*.png
           retention-days: 7
           if-no-files-found: ignore
+          
+      - name: Check code coverage changes
+
+        run: |
+          bundle exec undercover --compare origin/master
 
   system_consumer:
     runs-on: ubuntu-22.04
diff --git a/Gemfile.lock b/Gemfile.lock
index cb715b4d5c..94f092e648 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -974,7 +974,6 @@ DEPENDENCIES
   sidekiq
   sidekiq-scheduler
   simplecov
-  simplecov-html
   simplecov-lcov
   spreadsheet_architect
   spring
diff --git a/spec/base_spec_helper.rb b/spec/base_spec_helper.rb
index 0a2cf06ee4..12e0905cf0 100644
--- a/spec/base_spec_helper.rb
+++ b/spec/base_spec_helper.rb
@@ -7,9 +7,10 @@ ENV["RAILS_ENV"] ||= 'test'
 require 'simplecov' if ENV["COVERAGE"]
 require 'simplecov-lcov'
 SimpleCov::Formatter::LcovFormatter.config.report_with_single_file = true
-SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new([
-  SimpleCov::Formatter::LcovFormatter,
-])
+SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.
+  new([
+        SimpleCov::Formatter::LcovFormatter,
+      ])
 require 'undercover'
 
 require 'rubygems'