diff --git a/Dockerfile b/Dockerfile
index b98397323..cdb7652d5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node
+FROM node:7
 
 # Create app directory
 RUN mkdir -p /usr/src/app
diff --git a/circle.yml b/circle.yml
index f454424d4..9de9eae4c 100644
--- a/circle.yml
+++ b/circle.yml
@@ -1,6 +1,6 @@
 machine:
   node:
-    version: 6
+    version: 7
   services:
     - docker
 
diff --git a/package.json b/package.json
index da1df7232..d0413ed89 100644
--- a/package.json
+++ b/package.json
@@ -84,5 +84,8 @@
     "webpack-hot-middleware": "^2.12.2",
     "webpack-module-hot-accept": "^1.0.4",
     "whatwg-fetch": "^1.0.0"
+  },
+  "engines": {
+    "node": ">=7.0.0"
   }
 }