diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 02fe4881..b14b371e 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -569,6 +569,7 @@ CoffeeScript:
   extensions:
   - .coffee
   - ._coffee
+  - .cake
   - .cjsx
   - .cson
   - .iced
diff --git a/samples/CoffeeScript/build.cake b/samples/CoffeeScript/build.cake
new file mode 100644
index 00000000..b3f7df91
--- /dev/null
+++ b/samples/CoffeeScript/build.cake
@@ -0,0 +1,17 @@
+fs = require 'fs'
+
+{print} = require 'sys'
+{spawn} = require 'child_process'
+
+build = (callback) ->
+	coffee = spawn 'coffee', ['-c', '-o', '.', '.']
+	coffee.stderr.on 'data', (data) ->
+		process.stderr.write data.toString()
+	coffee.stdout.on 'data', (data) ->
+		print data.toString()
+	coffee.on 'exit', (code) ->
+		callback?() if code is 0
+
+task 'build', 'Build from source',  ->
+	build() 
+	
\ No newline at end of file