diff --git a/Gemfile b/Gemfile
index d7836c1b..bbacc6df 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,5 +8,5 @@ gem 'fileutils', '>=0.7'
 
 # for faster LSI generation
 # from http://tonyarnold.com/2014/03/27/speeding-up-jekylls-latent-semantic-mapping.html
-gem 'narray', :git => "https://github.com/tonyarnold/narray"
-gem 'gsl', :git => "https://github.com/tonyarnold/rb-gsl"
\ No newline at end of file
+#gem 'narray', :git => "https://github.com/tonyarnold/narray"
+#gem 'gsl', :git => "https://github.com/tonyarnold/rb-gsl"
\ No newline at end of file
diff --git a/package.json b/package.json
index 74791995..87621fee 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   "devDependencies": {
     "stylus": ">=0.45.0",
     "nib": ">=1.0.3",
-    "grunt": ">=0.4.1",
+    "grunt": ">=0.4.5",
     "grunt-contrib-clean": ">=0.5.0",
     "grunt-contrib-connect": ">=0.5.0",
     "grunt-contrib-cssmin": ">=0.6.2",