diff --git a/Dockerfile b/Dockerfile
index 715db74..2ccfa65 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:6-alpine
+FROM node:8-alpine
 
 RUN mkdir -p /public
 
@@ -17,4 +17,4 @@ RUN npm run build
 
 CMD npm start -- /public
 
-EXPOSE 5000
\ No newline at end of file
+EXPOSE 5000
diff --git a/circle.yml b/circle.yml
index ab98a12..c087790 100644
--- a/circle.yml
+++ b/circle.yml
@@ -1,3 +1,3 @@
 machine:
   node:
-    version: 6.11.0
+    version: 8.9.4
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..e9079b1
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,3039 @@
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+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.4.tgz",
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+      "requires": {
+        "mime-types": "2.1.17",
+        "negotiator": "0.6.1"
+      }
+    },
+    "after-all-results": {
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+      "resolved": "https://registry.npmjs.org/after-all-results/-/after-all-results-2.0.0.tgz",
+      "integrity": "sha1-asL8ICtQD4jaj09VMM+hAPTGotA="
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+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-2.1.1.tgz",
+      "integrity": "sha1-1t4Q1a9hMtW9aSQn1G/FOFOQlMc=",
+      "dev": true,
+      "requires": {
+        "extend": "3.0.1",
+        "semver": "5.0.3"
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+}
diff --git a/package.json b/package.json
index 40b95ca..a177b9f 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "lint": "tslint src/**/*.ts --type-check --project tsconfig.json"
   },
   "engines": {
-    "node": "6.9.4"
+    "node": "8.9.4"
   },
   "repository": {
     "type": "git",