diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 71b0d53..22279e4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,4 +31,15 @@ jobs:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
       - run: bundle exec standardrb
-      - run: COVERAGE=0 TEST_NODE_PARITY=1 bundle exec rake test
+      - name: Run tests with coverage
+        env:
+          COVERAGE: 1
+          TEST_NODE_PARITY: 1
+        run: bundle exec rake test
+      - name: Upload coverage to Codecov
+        if: matrix.ruby == 3.3
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: ./coverage/coverage.json
+          fail_ci_if_error: true
diff --git a/Gemfile b/Gemfile
index b4e2a20..ce1d73b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,3 +1,8 @@
 source "https://rubygems.org"
 
+gem "rake"
+gem "minitest"
+gem "simplecov"
+gem "simplecov-cobertura"
+
 gemspec
diff --git a/README.md b/README.md
index 49e69f4..141438c 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 [![Build Status](https://github.com/transloadit/ruby-sdk/actions/workflows/ci.yml/badge.svg)](https://github.com/transloadit/ruby-sdk/actions/workflows/ci.yml)
-[![Code Climate](https://codeclimate.com/github/transloadit/ruby-sdk.png)](https://codeclimate.com/github/transloadit/ruby-sdk)
+[![Coverage](https://codecov.io/gh/transloadit/ruby-sdk/branch/main/graph/badge.svg)](https://codecov.io/gh/transloadit/ruby-sdk)
 
 # Transloadit Ruby SDK
 
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 8ff789f..78e5bfa 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -3,7 +3,13 @@
 
 if ENV["COVERAGE"] != "0"
   require "simplecov"
-  SimpleCov.start { add_filter "/test/" }
+  SimpleCov.start do
+    add_filter "/test/"
+    enable_coverage :branch
+  end
+
+  require "simplecov-cobertura"
+  SimpleCov.formatter = SimpleCov::Formatter::CoberturaFormatter
 end
 
 require "minitest/autorun"