diff --git a/circle.yml b/circle.yml
new file mode 100644
index 0000000000000000000000000000000000000000..b00026e21375e4f3774fd42033caefe12e781b70
--- /dev/null
+++ b/circle.yml
@@ -0,0 +1,3 @@
+machine:
+  node:
+    version: 6