diff --git a/.nvmrc b/.nvmrc
index 268fccb..7aefc82 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-v5.5.0
+v5.6.0
diff --git a/circle.yml b/circle.yml
index 3878f94..4ee546b 100644
--- a/circle.yml
+++ b/circle.yml
@@ -1,6 +1,6 @@
 machine:
   node:
-    version: 5.5.0
+    version: 5.6.0
 
 dependencies:
   pre: