diff --git a/.nvmrc b/.nvmrc
new file mode 100644
index 0000000..4e32c7b
--- /dev/null
+++ b/.nvmrc
@@ -0,0 +1 @@
+5.10.1
diff --git a/build b/build
index f5c7ba6..3548890 100755
--- a/build
+++ b/build
@@ -1,5 +1,14 @@
 #!/usr/bin/env bash
 
+if [ -z "$NVM_DIR" ]
+then
+    NVM_DIR="$HOME/.nvm"
+fi
+
+. $NVM_DIR/nvm.sh
+nvm install
+nvm use
+
 set -e
 
 pyvenv-3.4 env
diff --git a/circle.yml b/circle.yml
index e951dd3..3beddab 100644
--- a/circle.yml
+++ b/circle.yml
@@ -1,6 +1,8 @@
 machine:
   python:
     version: 3.4.2
+  node:
+    version: 5.10.1
   environment:
     DEBUG: true
     DATABASE_URL: sqlite://~/database.db