diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2478bab..90ab396 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -4,11 +4,9 @@ jobs:
   specs:
     strategy:
       matrix:
-        ruby-version: ['2.7', '3.0', '3.1']
+        ruby-version: ['3.0', '3.1']
 
     runs-on: ubuntu-latest
-    env:
-      CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
     steps:
       - uses: actions/checkout@v2
       - uses: ruby/setup-ruby@v1
@@ -16,5 +14,13 @@ jobs:
           ruby-version: ${{ matrix.ruby-version }}
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically
       - run: bundle exec rake
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+      - name: Add coverage to job summary
+        if: always() && hashFiles('coverage/.last_run.json') != ''
+        run: |
+          echo "Line coverage (Ruby ${{ matrix.ruby-version }}): $(jq -r '.result.line' coverage/.last_run.json)%" >> "$GITHUB_STEP_SUMMARY"
+      - name: Upload coverage report
+        if: always() && hashFiles('coverage/index.html') != ''
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-ruby-${{ matrix.ruby-version }}
+          path: coverage/
diff --git a/.rubocop.yml b/.rubocop.yml
index e07b9a3..673bd94 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -50,7 +50,7 @@ Style/ClassAndModuleChildren:
 
 AllCops:
   NewCops: disable # TODO: enable
-  TargetRubyVersion: 2.7
+  TargetRubyVersion: 3.0
   Exclude:
     - bin/*
     - "*.gemspec"
diff --git a/Gemfile b/Gemfile
index e29ce5e..778cd56 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,4 +6,3 @@ source "https://rubygems.org"
 gemspec
 
 gem 'simplecov', require: false, group: :test
-gem 'codecov', require: false, group: :test
diff --git a/Gemfile.lock b/Gemfile.lock
index 35ee1c0..b1ebfd9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -79,8 +79,6 @@ GEM
     attr_extras (6.2.5)
     builder (3.2.4)
     byebug (11.1.3)
-    codecov (0.6.0)
-      simplecov (>= 0.15, < 0.22)
     coderay (1.1.3)
     concurrent-ruby (1.1.10)
     crass (1.0.6)
@@ -211,7 +209,6 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
-  codecov
   factory_bot
   graphql_to_rest!
   pry-byebug
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 18a1508..ff93fe0 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -3,12 +3,9 @@
 if ENV['COVERAGE'] || ENV['CI']
   require 'simplecov'
 
-  if ENV['CI']
-    require 'codecov'
-    SimpleCov.formatter = SimpleCov::Formatter::Codecov
+  SimpleCov.start do
+    minimum_coverage 98 if ENV['CI']
   end
-
-  SimpleCov.start
 end
 
 require 'graphql_to_rest'