diff --git a/index.js b/index.js
index 4743194..299f637 100644
--- a/index.js
+++ b/index.js
@@ -205,9 +205,12 @@ function installDependencies() {
 
 // Returns all extensions found in the current directory
 function getUniqueExtensions() {
+  // Folders to ignore
+  var exclusions = ['node_modules', '.git', '.sass-cache', 'bower_components', 'vendor'];
+
   // Grab list of extensions used in the supplied directory
   // TODO: If async version is needed, return promise that resolves with list
-  return gux(this.directory);
+  return gux(this.directory, exclusions);
 }
 
 // Returns a system-supported subset of the given list
diff --git a/package.json b/package.json
index 5d1b630..534ba5a 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
   "license": "MIT",
   "dependencies": {
     "q": "~1.0.0",
-    "node-unique-extensions": "~1.0.0"
+    "node-unique-extensions": "~2.0.0"
   },
   "bin": {
     "ya": "bin/ya.js"