Rakefile in csl-1.4.5 vs Rakefile in csl-1.5.0

@@ -38,10 +38,10 @@
   require 'coveralls/rake/task'
   Coveralls::RakeTask.new
   task :test_with_coveralls => [:spec, :cucumber, 'coveralls:push']
 rescue LoadError => e
   # ignore
-end
+end if ENV['CI']
 
 task :release do |t|
   system "gem build csl.gemspec"
   system "git tag #{CSL::VERSION}"
   system "git push --tags"