diff --git a/doc/Configuration.md b/doc/Configuration.md
index 02c082e..0ba5891 100644
--- a/doc/Configuration.md
+++ b/doc/Configuration.md
@@ -55,7 +55,7 @@ WebBlocks.config[:exec][:git] = 'git'
 
 # executable path to Grunt
 # defaults to relative path for npm module installation
-WebBlocks.config[:exec][:git] = 'node ./node_modules/grunt/bin/grunt'
+WebBlocks.config[:exec][:git] = 'node ./node_modules/grunt/bin/grunt --force'
 
 # executable path to NPM
 WebBlocks.config[:exec][:npm] = 'npm'
diff --git a/rake/config.rb b/rake/config.rb
index 3556584..8d2a15e 100644
--- a/rake/config.rb
+++ b/rake/config.rb
@@ -116,7 +116,7 @@ module WebBlocks
 
   @config[:exec] = {
     :git        => 'git',
-    :grunt      => 'node ./node_modules/grunt/bin/grunt',
+    :grunt      => 'node ./node_modules/grunt/bin/grunt --force',
     :npm        => 'npm',
     :sass       => 'sass',
     :uglifycss  => 'node ./node_modules/uglifycss/uglifycss',