diff --git a/circle.yml b/circle.yml
index 43ba6d2..be12963 100644
--- a/circle.yml
+++ b/circle.yml
@@ -1,8 +1,8 @@
 machine:
   python:
-    version: 3.4.2
+    version: 3.5.1
   node:
-    version: 5.10.1
+    version: 5.11.1
   environment:
     NODE_ENV: production