diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index cce5df6c..b32ac81a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -39,6 +39,18 @@ jobs:
           --health-retries 5
         ports:
           - 6379:6379
+    strategy:
+      fail-fast: false
+      matrix:
+        ci_node_total: [4]
+        ci_node_index: [0, 1, 2, 3]
+
+    env:
+      SELECTIVE_API_KEY: ${{ secrets.SELECTIVE_API_KEY }}
+      SELECTIVE_RUN_ID: ${{ github.run_id }}
+      SELECTIVE_RUN_ATTEMPT: ${{ github.run_attempt }}
+      SELECTIVE_RUNNER_ID: ${{ matrix.ci_node_index }}
+      PR_TITLE: ${{ github.event.pull_request.title }}
 
     steps:
       - uses: actions/checkout@v3
@@ -76,13 +88,17 @@ jobs:
         env:
           NODE_OPTIONS: --openssl-legacy-provider
         run: |
-          bundle exec rspec --profile 10 \
-                            --format progress \
+          bundle exec selective rspec --format progress \
                             --format RspecJunitFormatter \
-                            --out junit/rspec.xml
+                            --out junit/rspec-$SELECTIVE_RUNNER_ID.xml
 
-          ./cc-test-reporter format-coverage -t simplecov
-          ./cc-test-reporter upload-coverage
+          ./cc-test-reporter format-coverage -t simplecov -o $GITHUB_WORKSPACE/coverage/codeclimate.$SELECTIVE_RUNNER_ID.json
+
+      - name: Upload coverage artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: coverage
+          path: coverage
 
       - name: Upload JUnit artifacts
         if: always()
@@ -90,3 +106,24 @@ jobs:
         with:
           name: junit
           path: junit
+
+  upload-coverage:
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Download coverage artifacts
+        uses: actions/download-artifact@v3
+        with:
+          name: coverage
+          path: coverage
+
+      - name: Prepare CodeClimate Reporter
+        run: |
+          curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
+          chmod +x ./cc-test-reporter
+          ./cc-test-reporter before-build
+
+      - name: Upload coverage to CodeClimate
+        run: |
+          ./cc-test-reporter sum-coverage coverage/codeclimate.*.json
+          ./cc-test-reporter upload-coverage
diff --git a/Gemfile b/Gemfile
index 4cc9fb64..c2a80dc8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -91,6 +91,7 @@ group :development, :test do
   gem 'vcr'
   gem 'spring'
   gem 'spring-watcher-listen'
+  gem 'selective-ruby-rspec'
 end
 
 group :development do
diff --git a/Gemfile.lock b/Gemfile.lock
index 2d7f0a0f..2e9db1f0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -224,7 +224,6 @@ GEM
       thread_safe (~> 0.3, >= 0.3.1)
     method_source (1.0.0)
     mini_mime (1.1.2)
-    mini_portile2 (2.8.1)
     minitest (5.15.0)
     msgpack (1.4.4)
     multipart-post (2.1.1)
@@ -238,8 +237,7 @@ GEM
       mutant (= 0.11.4)
       rspec-core (>= 3.8.0, < 4.0.0)
     nio4r (2.5.8)
-    nokogiri (1.14.2)
-      mini_portile2 (~> 2.8.0)
+    nokogiri (1.14.2-x86_64-linux)
       racc (~> 1.4)
     orm_adapter (0.5.0)
     parallel (1.19.1)
@@ -371,6 +369,11 @@ GEM
       sprockets (> 3.0)
       sprockets-rails
       tilt
+    selective-ruby-core (0.1.1-x86_64-linux)
+      zeitwerk (~> 2.6.12)
+    selective-ruby-rspec (0.1.0)
+      selective-ruby-core
+      zeitwerk (~> 2.6.12)
     selectize-rails (0.12.6)
     selenium-webdriver (4.8.1)
       rexml (~> 3.2, >= 3.2.5)
@@ -447,10 +450,10 @@ GEM
     websocket-extensions (0.1.5)
     xpath (3.2.0)
       nokogiri (~> 1.8)
-    zeitwerk (2.5.4)
+    zeitwerk (2.6.12)
 
 PLATFORMS
-  ruby
+  x86_64-linux
 
 DEPENDENCIES
   activeadmin
@@ -493,6 +496,7 @@ DEPENDENCIES
   rspec-rails (>= 4.0.0.beta3)
   rspec_junit_formatter
   sassc-rails
+  selective-ruby-rspec
   selectize-rails
   selenium-webdriver
   shoulda-matchers