diff --git a/.simplecov b/.simplecov
new file mode 100644
index 00000000..56e0129c
--- /dev/null
+++ b/.simplecov
@@ -0,0 +1,6 @@
+SimpleCov.start do
+  add_filter '/features/'
+  add_filter '/spec/'
+  add_filter '/vendor'
+  add_filter '/step_definitions/'
+end
diff --git a/Gemfile b/Gemfile
index 90fac6b2..31989c07 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,6 +9,7 @@ gem "cucumber", "~> 1.3.1"
 gem "fivemat"
 gem "aruba",    "~> 0.5.1"
 gem "rspec",    "~> 2.12"
+gem "simplecov"
 
 # Optional middleman dependencies, included for tests
 gem "haml", "~> 4.0.0", :require => false # Make sure to use Haml 4 for tests
diff --git a/middleman-core/features/support/env.rb b/middleman-core/features/support/env.rb
index e76d79b1..de32f2c7 100644
--- a/middleman-core/features/support/env.rb
+++ b/middleman-core/features/support/env.rb
@@ -1,3 +1,5 @@
+require 'simplecov'
+
 ENV["TEST"] = "true"
 ENV["AUTOLOAD_SPROCKETS"] = "false"
 
diff --git a/middleman-core/spec/spec_helper.rb b/middleman-core/spec/spec_helper.rb
index e69de29b..6d75bd08 100644
--- a/middleman-core/spec/spec_helper.rb
+++ b/middleman-core/spec/spec_helper.rb
@@ -0,0 +1 @@
+require 'simplecov'