diff --git a/ci.sh b/ci.sh
index 607e4cb..132a57a 100755
--- a/ci.sh
+++ b/ci.sh
@@ -1,4 +1,6 @@
-#/bin/sh
+#/bin/bash
 . ~/.nvm/nvm.sh
+nvm install
 nvm use
+npm install -g yarn
 rake db:create && yarn install --check-files && rake test && rake test:system