diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 0aa81607c..6597fc809 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -23,10 +23,7 @@ jobs:
           POSTGRES_USER: consul
           POSTGRES_PASSWORD: ""
     env:
-      CI_BUILD_NUMBER: ${{ github.run_number }}
-      COVERALLS_FLAG_NAME: run-${{ matrix.ci_node_index }}
-      COVERALLS_PARALLEL: true
-      COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
+      TEST_COVERAGE: 1
       PGUSER: consul
       POSTGRES_HOST: postgres
       RAILS_ENV: test
@@ -56,6 +53,12 @@ jobs:
           KNAPSACK_PRO_FIXED_QUEUE_SPLIT: true
           KNAPSACK_PRO_LOG_LEVEL: info
         run: bin/knapsack_pro_rspec
+      - name: Coveralls Parallel
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          flag-name: run-${{ matrix.ci_node_index }}
+          parallel: true
       - name: Upload screenshots
         if: failure()
         uses: actions/upload-artifact@v2
@@ -67,9 +70,9 @@ jobs:
       contents: none
     runs-on: ubuntu-latest
     needs: tests
-    env:
-      CI_BUILD_NUMBER: ${{ github.run_number }}
-      COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
     steps:
       - name: Finish coveralls
-        run: curl -k https://coveralls.io/webhook?repo_token=$COVERALLS_REPO_TOKEN -d "payload[build_num]=$CI_BUILD_NUMBER&payload[status]=done"
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          parallel-finished: true
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index aaaa1a167..b23c7fb9b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -14,7 +14,7 @@ tests:
   variables:
     POSTGRES_USER: consul
     RAILS_ENV: test
-    COVERALLS: 1
+    TEST_COVERAGE: 1
   parallel: 5
   script:
     - apt-get update && apt-get install -y nodejs chromium
diff --git a/Gemfile b/Gemfile
index f8b93ec3c..568dd8b80 100644
--- a/Gemfile
+++ b/Gemfile
@@ -86,10 +86,11 @@ end
 group :test do
   gem "capybara", "~> 3.37.1"
   gem "capybara-webmock", "~> 0.6.0"
-  gem "coveralls", "~> 0.8.23", require: false
   gem "email_spec", "~> 2.2.0"
   gem "rspec-rails", "~> 5.1.2"
   gem "selenium-webdriver", "~> 3.142"
+  gem "simplecov", "~> 0.21.2", require: false
+  gem "simplecov-lcov", "~> 0.8.0", require: false
   gem "webdrivers", "~> 4.7.0"
 end
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 373f0d7bc..6a0ddfa54 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -159,12 +159,6 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.1.10)
-    coveralls (0.8.23)
-      json (>= 1.8, < 3)
-      simplecov (~> 0.16.1)
-      term-ansicolor (~> 1.3)
-      thor (>= 0.19.4, < 2.0)
-      tins (~> 1.6)
     crass (1.0.6)
     daemons (1.4.1)
     dalli (3.2.3)
@@ -183,7 +177,7 @@ GEM
     devise-security (0.16.0)
       devise (>= 4.3.0, < 5.0)
     diff-lcs (1.5.0)
-    docile (1.3.2)
+    docile (1.4.0)
     dry-configurable (0.7.0)
       concurrent-ruby (~> 1.0)
     dry-container (0.6.0)
@@ -619,11 +613,13 @@ GEM
     selenium-webdriver (3.142.7)
       childprocess (>= 0.5, < 4.0)
       rubyzip (>= 1.2.2)
-    simplecov (0.16.1)
+    simplecov (0.21.2)
       docile (~> 1.1)
-      json (>= 1.8, < 3)
-      simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.2)
+      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)
     sitemap_generator (6.3.0)
       builder (~> 3.0)
     smart_properties (1.17.0)
@@ -647,9 +643,6 @@ GEM
     sshkit (1.21.2)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
-    sync (0.5.0)
-    term-ansicolor (1.7.1)
-      tins (~> 1.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     terrapin (0.6.0)
@@ -657,8 +650,6 @@ GEM
     thor (1.2.1)
     thread_safe (0.3.6)
     tilt (2.0.10)
-    tins (1.25.0)
-      sync
     tomlrb (1.3.0)
     translator-text (0.1.0)
       dry-struct (~> 0.5.0)
@@ -735,7 +726,6 @@ DEPENDENCIES
   caxlsx_rails (~> 0.6.3)
   ckeditor (~> 4.3.0)
   cocoon (~> 1.2.15)
-  coveralls (~> 0.8.23)
   daemons (~> 1.4.1)
   dalli (~> 3.2.3)
   delayed_job_active_record (~> 4.1.7)
@@ -800,6 +790,8 @@ DEPENDENCIES
   savon (~> 2.13.0)
   scss_lint (~> 0.59.0)
   selenium-webdriver (~> 3.142)
+  simplecov (~> 0.21.2)
+  simplecov-lcov (~> 0.8.0)
   sitemap_generator (~> 6.3.0)
   social-share-button (~> 1.2.4)
   spring (~> 2.1.1)
diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
index 08fa8c4c3..a31152ef8 100644
--- a/spec/rails_helper.rb
+++ b/spec/rails_helper.rb
@@ -1,7 +1,14 @@
 ENV["RAILS_ENV"] ||= "test"
-if ENV["COVERALLS_REPO_TOKEN"]
-  require "coveralls"
-  Coveralls.wear!("rails")
+if ENV["TEST_COVERAGE"]
+  require "simplecov"
+  require "simplecov-lcov"
+  SimpleCov::Formatter::LcovFormatter.config.report_with_single_file = true
+  SimpleCov::Formatter::LcovFormatter.config do |config|
+    config.output_directory = "coverage"
+    config.lcov_file_name = "lcov.info"
+  end
+  SimpleCov.formatter = SimpleCov::Formatter::LcovFormatter
+  SimpleCov.start("rails")
 end
 require File.expand_path("../../config/environment", __FILE__)
 abort("The Rails environment is running in production mode!") if Rails.env.production?