diff --git a/.github/workflows/continuous-delivery.yml b/.github/workflows/continuous-delivery.yml
index 738ed981c..ae51732d9 100644
--- a/.github/workflows/continuous-delivery.yml
+++ b/.github/workflows/continuous-delivery.yml
@@ -124,6 +124,7 @@ jobs:
     with:
       sha: ${{ needs.merge.outputs.sha }}
     secrets:
+      codecov_token: ${{ secrets.CODECOV_TOKEN }}
       rails_master_key: ${{ secrets.RAILS_MASTER_KEY }}
 
   publish_image:
diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 4510d3309..1998113df 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -12,6 +12,9 @@ on:
         required: false
         type: string
     secrets:
+      codecov_token:
+        description: Codecov token
+        required: true
       rails_master_key:
         description: The Rails master key
         required: true
@@ -119,5 +122,21 @@ jobs:
         env:
           RAILS_MASTER_KEY: ${{ secrets.RAILS_MASTER_KEY }}
         run: |
+          mkdir coverage
           docker run -e POSTGRES_USER=postgres -e POSTGRES_PASSWORD=postgres -e POSTGRES_HOST=localhost -e \
-            RAILS_MASTER_KEY --network=host app bin/ci.sh spec
+            RAILS_MASTER_KEY --network=host -v "$(pwd)"'/coverage:/app/coverage' app bin/ci.sh spec
+
+      - name: Upload coverage report to Codecov
+        if: ${{ !cancelled() }}
+        uses: codecov/codecov-action@54bcd8715eee62d40e33596ef5e8f0f48dbbccab # v4.1.0
+        with:
+          fail_ci_if_error: true
+          token: ${{ secrets.CODECOV_TOKEN }}
+
+      - name: Upload coverage report artifact
+        if: ${{ !cancelled() }}
+        uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
+        with:
+          name: coverage
+          path: coverage/
+          if-no-files-found: error
diff --git a/Gemfile b/Gemfile
index 6fe160eda..1caa202cc 100644
--- a/Gemfile
+++ b/Gemfile
@@ -79,6 +79,7 @@ group :test do
   gem 'rubocop-rails'
   gem 'rubocop-rspec'
   gem 'simplecov', require: false
+  gem 'simplecov-lcov', '~> 0.8.0', require: false
   gem 'terminal-notifier-guard'
   gem 'timecop'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 295ceff29..efb153310 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -464,6 +464,7 @@ GEM
       simplecov-html (~> 0.11)
       simplecov_json_formatter (~> 0.1)
     simplecov-html (0.12.3)
+    simplecov-lcov (0.8.0)
     simplecov_json_formatter (0.1.4)
     slack-notifier (2.4.0)
     spring (2.1.1)
@@ -589,6 +590,7 @@ DEPENDENCIES
   sidekiq-scheduler (~> 5.0.2)
   simple_form (~> 5.1.0)
   simplecov
+  simplecov-lcov (~> 0.8.0)
   slack-notifier (~> 2.4.0)
   spring
   spring-commands-rspec
@@ -605,4 +607,4 @@ DEPENDENCIES
   wkhtmltopdf-binary
 
 BUNDLED WITH
-   2.2.15
+   2.4.14
diff --git a/README.md b/README.md
index 2613efb97..6cd9dab59 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@ Alpha SOFIA
 
 [![Continuous Integration](https://github.com/csvalpha/sofia/actions/workflows/continuous-integration.yml/badge.svg)](https://github.com/csvalpha/sofia/actions/workflows/continuous-integration.yml)
 [![Continuous Delivery](https://github.com/csvalpha/sofia/actions/workflows/continuous-delivery.yml/badge.svg)](https://github.com/csvalpha/sofia/actions/workflows/continuous-delivery.yml)
+[![codecov](https://codecov.io/github/csvalpha/sofia/graph/badge.svg?token=RGR5PARLD5)](https://codecov.io/github/csvalpha/sofia)
 
 The source code belonging to Alpha SOFIA. It is a system built with Ruby on Rails with Turbolinks and a little VueJS, used to manage orders in our own bar "Flux". Users authenticate via OAuth API (currently "Alpha AMBER") to see how much credit they got left, or to be able to register new orders and/or payments.
 
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 8fa233880..a5f96ef4f 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,15 +1,10 @@
 require 'simplecov'
+require 'simplecov-lcov'
 
+SimpleCov.formatter = SimpleCov::Formatter::LcovFormatter
 SimpleCov.start 'rails' do
-  add_filter 'app/controllers/'
-  add_filter 'app/jobs/'
-  add_filter 'app/mailers/'
-  add_filter 'app/policies/'
-  add_filter 'app/views/'
-  add_filter 'lib/'
-
-  minimum_coverage 95
-  minimum_coverage_by_file 95
+  # minimum_coverage 95
+  # minimum_coverage_by_file 95
 end
 
 RSpec.configure do |config|