diff --git a/Rakefile b/Rakefile
index 4f4bfaf..1e95399 100644
--- a/Rakefile
+++ b/Rakefile
@@ -7,6 +7,7 @@ require 'yard'
 
 CLEAN << '.yardoc'
 CLOBBER << 'doc'
+CLOBBER << 'coverage'
 
 RSpec::Core::RakeTask.new(:spec)
 YARD::Rake::YardocTask.new { |t| t.stats_options = %w[--list-undoc] }
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 8db39b3..6e5f34c 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -7,7 +7,7 @@
 end
 if RSpec.configuration.files_to_run.length > 1
   # Let's increase this later on
-  SimpleCov.minimum_coverage line: 97, branch: 65
+  SimpleCov.minimum_coverage line: 97.5, branch: 65.7
 end
 
 RSpec.configure do |config|