diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index 837f6c963c..02ca3b2990 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -122,10 +122,12 @@ GEM
       rubocop
     ruby-macho (2.5.0)
     ruby-progressbar (1.10.1)
-    simplecov (0.19.1)
+    simplecov (0.20.0)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
+      simplecov_json_formatter (~> 0.1)
     simplecov-html (0.12.3)
+    simplecov_json_formatter (0.1.2)
     sorbet (0.5.6111)
       sorbet-static (= 0.5.6111)
     sorbet-runtime (0.5.6111)
diff --git a/Library/Homebrew/sorbet/rbi/gems/simplecov@0.19.1.rbi b/Library/Homebrew/sorbet/rbi/gems/simplecov@0.20.0.rbi
similarity index 100%
rename from Library/Homebrew/sorbet/rbi/gems/simplecov@0.19.1.rbi
rename to Library/Homebrew/sorbet/rbi/gems/simplecov@0.20.0.rbi
diff --git a/Library/Homebrew/sorbet/rbi/gems/simplecov_json_formatter@0.1.2.rbi b/Library/Homebrew/sorbet/rbi/gems/simplecov_json_formatter@0.1.2.rbi
new file mode 100644
index 0000000000..9c33188937
--- /dev/null
+++ b/Library/Homebrew/sorbet/rbi/gems/simplecov_json_formatter@0.1.2.rbi
@@ -0,0 +1,8 @@
+# DO NOT EDIT MANUALLY
+# This is an autogenerated file for types exported from the `simplecov_json_formatter` gem.
+# Please instead update this file by running `tapioca sync`.
+
+# typed: true
+
+# THIS IS AN EMPTY RBI FILE.
+# see https://github.com/Shopify/tapioca/blob/master/README.md#manual-gem-requires
diff --git a/Library/Homebrew/sorbet/rbi/hidden-definitions/hidden.rbi b/Library/Homebrew/sorbet/rbi/hidden-definitions/hidden.rbi
index 22bfba4868..9c648e96ae 100644
--- a/Library/Homebrew/sorbet/rbi/hidden-definitions/hidden.rbi
+++ b/Library/Homebrew/sorbet/rbi/hidden-definitions/hidden.rbi
@@ -27765,6 +27765,13 @@ end
 class SimpleCov::Formatter::HTMLFormatter
 end
 
+class SimpleCov::Formatter::JSONFormatter
+  def format(result); end
+end
+
+class SimpleCov::Formatter::JSONFormatter
+end
+
 class SimpleCov::Formatter::MultiFormatter
 end
 
@@ -27789,6 +27796,7 @@ class SimpleCov::Formatter::SimpleFormatter
 end
 
 module SimpleCov::Formatter
+  def self.from_env(env); end
 end
 
 module SimpleCov::LastRun
@@ -28140,6 +28148,40 @@ module SimpleCov
   def self.write_last_run(result); end
 end
 
+module SimpleCovJSONFormatter
+end
+
+class SimpleCovJSONFormatter::ResultExporter
+  def export(); end
+
+  def initialize(result_hash); end
+  FILENAME = ::T.let(nil, ::T.untyped)
+end
+
+class SimpleCovJSONFormatter::ResultExporter
+end
+
+class SimpleCovJSONFormatter::ResultHashFormatter
+  def format(); end
+
+  def initialize(result); end
+end
+
+class SimpleCovJSONFormatter::ResultHashFormatter
+end
+
+class SimpleCovJSONFormatter::SourceFileFormatter
+  def format(); end
+
+  def initialize(source_file); end
+end
+
+class SimpleCovJSONFormatter::SourceFileFormatter
+end
+
+module SimpleCovJSONFormatter
+end
+
 module Singleton
   def _dump(depth=T.unsafe(nil)); end
 
diff --git a/Library/Homebrew/vendor/bundle/bundler/setup.rb b/Library/Homebrew/vendor/bundle/bundler/setup.rb
index 723f666306..fe0a7472f6 100644
--- a/Library/Homebrew/vendor/bundle/bundler/setup.rb
+++ b/Library/Homebrew/vendor/bundle/bundler/setup.rb
@@ -19,7 +19,8 @@ $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/extensions/universal-darwi
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/json-2.3.1/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/docile-1.3.2/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/simplecov-html-0.12.3/lib"
-$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/simplecov-0.19.1/lib"
+$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/simplecov_json_formatter-0.1.2/lib"
+$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/simplecov-0.20.0/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/codecov-0.2.12/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/coderay-1.1.3/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/colorize-0.8.1/lib"
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/simplecov_json_formatter-0.1.2/lib/simplecov_json_formatter.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/simplecov_json_formatter-0.1.2/lib/simplecov_json_formatter.rb
new file mode 100644
index 0000000000..6f25f5dd31
--- /dev/null
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/simplecov_json_formatter-0.1.2/lib/simplecov_json_formatter.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+require 'simplecov_json_formatter/result_hash_formatter'
+require 'simplecov_json_formatter/result_exporter'
+require 'json'
+
+module SimpleCov
+  module Formatter
+    class JSONFormatter
+      def format(result)
+        result_hash = format_result(result)
+
+        export_formatted_result(result_hash)
+
+        puts output_message(result)
+      end
+
+      private
+
+      def format_result(result)
+        result_hash_formater = SimpleCovJSONFormatter::ResultHashFormatter.new(result)
+        result_hash_formater.format
+      end
+
+      def export_formatted_result(result_hash)
+        result_exporter = SimpleCovJSONFormatter::ResultExporter.new(result_hash)
+        result_exporter.export
+      end
+
+      def output_message(result)
+        "JSON Coverage report generated for #{result.command_name} to #{SimpleCov.coverage_path}. \
+        #{result.covered_lines} / #{result.total_lines} LOC (#{result.covered_percent.round(2)}%) covered."
+      end
+    end
+  end
+end
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/simplecov_json_formatter-0.1.2/lib/simplecov_json_formatter/result_exporter.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/simplecov_json_formatter-0.1.2/lib/simplecov_json_formatter/result_exporter.rb
new file mode 100644
index 0000000000..65d2ff603a
--- /dev/null
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/simplecov_json_formatter-0.1.2/lib/simplecov_json_formatter/result_exporter.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+module SimpleCovJSONFormatter
+  class ResultExporter
+    FILENAME = 'coverage.json'
+
+    def initialize(result_hash)
+      @result = result_hash
+    end
+
+    def export
+      File.open(export_path, 'w') do |file|
+        file << json_result
+      end
+    end
+
+    private
+
+    def json_result
+      JSON.pretty_generate(@result)
+    end
+
+    def export_path
+      File.join(SimpleCov.coverage_path, FILENAME)
+    end
+  end
+end
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/simplecov_json_formatter-0.1.2/lib/simplecov_json_formatter/result_hash_formatter.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/simplecov_json_formatter-0.1.2/lib/simplecov_json_formatter/result_hash_formatter.rb
new file mode 100644
index 0000000000..9dfe47da24
--- /dev/null
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/simplecov_json_formatter-0.1.2/lib/simplecov_json_formatter/result_hash_formatter.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+require 'simplecov_json_formatter/source_file_formatter'
+
+module SimpleCovJSONFormatter
+  class ResultHashFormatter
+    def initialize(result)
+      @result = result
+    end
+
+    def format
+      @result.files.each do |source_file|
+        formatted_result[:coverage][source_file.filename] =
+          format_source_file(source_file)
+      end
+
+      formatted_result
+    end
+
+    private
+
+    def formatted_result
+      @formatted_result ||= {
+        meta: {
+          simplecov_version: SimpleCov::VERSION
+        },
+        coverage: {}
+      }
+    end
+
+    def format_source_file(source_file)
+      source_file_formatter = SourceFileFormatter.new(source_file)
+      source_file_formatter.format
+    end
+  end
+end
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/simplecov_json_formatter-0.1.2/lib/simplecov_json_formatter/source_file_formatter.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/simplecov_json_formatter-0.1.2/lib/simplecov_json_formatter/source_file_formatter.rb
new file mode 100644
index 0000000000..3564c791ae
--- /dev/null
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/simplecov_json_formatter-0.1.2/lib/simplecov_json_formatter/source_file_formatter.rb
@@ -0,0 +1,64 @@
+# frozen_string_literal: true
+
+module SimpleCovJSONFormatter
+  class SourceFileFormatter
+    def initialize(source_file)
+      @source_file = source_file
+    end
+
+    def format
+      if SimpleCov.branch_coverage?
+        line_coverage.merge(branch_coverage)
+      else
+        line_coverage
+      end
+    end
+
+    private
+
+    def line_coverage
+      @line_coverage || {
+        lines: lines
+      }
+    end
+
+    def branch_coverage
+      {
+        branches: branches
+      }
+    end
+
+    def lines
+      lines = []
+      @source_file.lines.each do |line|
+        lines << parse_line(line)
+      end
+
+      lines
+    end
+
+    def branches
+      branches = []
+      @source_file.branches.each do |branch|
+        branches << parse_branch(branch)
+      end
+
+      branches
+    end
+
+    def parse_line(line)
+      return line.coverage unless line.skipped?
+
+      'ignored'
+    end
+
+    def parse_branch(branch)
+      {
+        type: branch.type,
+        start_line: branch.start_line,
+        end_line: branch.end_line,
+        coverage: parse_line(branch)
+      }
+    end
+  end
+end
diff --git a/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/simplecov_json_formatter-0.1.2/lib/simplecov_json_formatter/version.rb b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/simplecov_json_formatter-0.1.2/lib/simplecov_json_formatter/version.rb
new file mode 100644
index 0000000000..82d6c59729
--- /dev/null
+++ b/Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/simplecov_json_formatter-0.1.2/lib/simplecov_json_formatter/version.rb
@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+
+module SimpleCovJSONFormatter
+  VERSION = '0.1.2'
+end