diff --git a/.simplecov b/.simplecov
new file mode 100644
index 0000000000..d3b12fe6bb
--- /dev/null
+++ b/.simplecov
@@ -0,0 +1,50 @@
+SimpleCov.configure do
+  # ignore this file
+	add_filter '.simplecov'
+
+	#
+	# Changed Files in Git Group
+	# @see http://fredwu.me/post/35625566267/simplecov-test-coverage-for-changed-files-only
+	#
+
+	untracked = `git ls-files --exclude-standard --others`
+	unstaged = `git diff --name-only`
+	staged = `git diff --name-only --cached`
+	all = untracked + unstaged + staged
+	changed_filenames = all.split("\n")
+
+	add_group 'Changed' do |source_file|
+		changed_filenames.detect { |changed_filename|
+			source_file.filename.end_with?(changed_filename)
+		}
+	end
+
+	#
+	# Framework (msf) related groups
+	#
+
+	add_group 'Metasploit Framework', 'lib/msf'
+	add_group 'Metasploit Framework (Base)', 'lib/msf/base'
+	add_group 'Metasploit Framework (Core)', 'lib/msf/core'
+
+	#
+	# Other library groups
+	#
+
+	add_group 'Fastlib', 'lib/fastlib'
+	add_group 'Metasm', 'lib/metasm'
+	add_group 'PacketFu', 'lib/packetfu'
+	add_group 'Rex', 'lib/rex'
+	add_group 'RKelly', 'lib/rkelly'
+	add_group 'Ruby Mysql', 'lib/rbmysql'
+	add_group 'Ruby Postgres', 'lib/postgres'
+	add_group 'SNMP', 'lib/snmp'
+	add_group 'Zip', 'lib/zip'
+
+	#
+	# Specs are reported on to ensure that all examples are being run and all
+	# lets, befores, afters, etc are being used.
+	#
+
+	add_group 'Specs', 'spec'
+end