diff --git a/.nvmrc b/.nvmrc
new file mode 100644
index 0000000..7f6758e
--- /dev/null
+++ b/.nvmrc
@@ -0,0 +1 @@
+8.10.0
diff --git a/.travis.yml b/.travis.yml
index 63091c6..cfa1a4e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,6 @@ node_js:
    - "10"
    - "8"
    - "8.10"
-   - "6"
 
 before_install: if [[ `npm -v` != 6* ]]; then npm i -g npm@6.4.1; fi
 
diff --git a/package.json b/package.json
index e5a0b38..218e713 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,10 @@
     "url": "https://github.com/silvermine/serverless-plugin-external-sns-events/issues"
   },
   "homepage": "https://github.com/silvermine/serverless-plugin-external-sns-events#readme",
+  "engines": {
+    "node": ">=8.10.0",
+    "npm": "6.4.1"
+  },
   "dependencies": {
     "class.extend": "0.9.2",
     "underscore": "1.8.3"