diff --git a/Cakefile b/Cakefile
index 85ed42ea..48daf79e 100644
--- a/Cakefile
+++ b/Cakefile
@@ -155,12 +155,12 @@ task 'doc:site', 'watch and continually rebuild the documentation for the websit
 
 
 task 'doc:source', 'rebuild the internal documentation', ->
-  exec 'docco src/*.*coffee && cp -rf docs documentation && rm -r docs', (err) ->
+  exec 'node_modules/.bin/docco src/*.*coffee && cp -rf docs documentation && rm -r docs', (err) ->
     throw err if err
 
 
 task 'doc:underscore', 'rebuild the Underscore.coffee documentation page', ->
-  exec 'docco examples/underscore.coffee && cp -rf docs documentation && rm -r docs', (err) ->
+  exec 'node_modules/.bin/docco examples/underscore.coffee && cp -rf docs documentation && rm -r docs', (err) ->
     throw err if err
 
 task 'bench', 'quick benchmark of compilation time', ->
diff --git a/package.json b/package.json
index 7551b80e..3d181cb1 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,8 @@
     "uglify-js": "~2.2",
     "jison": ">=0.2.0",
     "highlight.js": "~8.0.0",
-    "underscore": "~1.5.2"
+    "underscore": "~1.5.2",
+    "docco": "0.6.x"
   },
   "dependencies": {
     "mkdirp": "~0.3.5"