diff --git a/bin/post_deploy.bash b/bin/post_deploy.bash
index b7a5b58..bb3602c 100755
--- a/bin/post_deploy.bash
+++ b/bin/post_deploy.bash
@@ -1,6 +1,7 @@
 cd "$(dirname $BASH_SOURCE)"/..
 
-bundle install --deployment --binstubs ../gem-bin
+bundle config set --local deployment 'true'
+bundle install --binstubs ../gem-bin
 cd $1
 ../../gem-bin/sass --update assets/sass:assets/css --style compressed
 ../../gem-bin/jekyll build