diff --git a/circle.yml b/circle.yml
index 15ae2af5b5b..6cc74d93cd3 100644
--- a/circle.yml
+++ b/circle.yml
@@ -22,7 +22,7 @@ dependencies:
         - python setup.py develop
 
     post:
-        - npm install -g mocha-phantomjs@3.5.0 phantomjs@~1.9.1
+        - for tries in `seq 5`; do if npm install -g mocha-phantomjs@3.5.0 phantomjs@~1.9.1; then break; fi; sleep 5; endfor
 
 database:
     post: