run jekyll with bundle exec

diff --git a/Gruntfile.js b/Gruntfile.js
index b2b66855bef3a171cefc53ce91380c448ceccbc7..1d0e9efaf5fd88bddf65cc9b88168e27e8f8624c 100644 (file)
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -336,7 +336,8 @@ module.exports = function (grunt) {
 
     jekyll: {
       options: {
-        config: '_config.yml'
+        config: '_config.yml',
+        bundleExec: true
       },
       docs: {},
       github: {