diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 49b75f9..2d7305a 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -28,4 +28,6 @@ jobs:
         ruby-version: ${{ matrix.ruby }}
         bundler-cache: true
     - name: Run tests
+      env:
+        COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
       run: bundle exec rake spec
diff --git a/docx.gemspec b/docx.gemspec
index d87b1e9..78a428a 100644
--- a/docx.gemspec
+++ b/docx.gemspec
@@ -16,7 +16,7 @@ Gem::Specification.new do |s|
   s.add_dependency 'nokogiri', '~> 1.10', '>= 1.10.4'
   s.add_dependency 'rubyzip',  '~> 2.0'
 
-  s.add_development_dependency 'coveralls', '~> 0.8'
+  s.add_development_dependency 'coveralls_reborn', '~> 0.21'
   s.add_development_dependency 'rake', '~> 13.0'
   s.add_development_dependency 'rspec', '~> 3.7'
 end