diff --git a/lib/poller.js b/lib/poller.js
index 5aa4f1a..0721620 100644
--- a/lib/poller.js
+++ b/lib/poller.js
@@ -127,6 +127,8 @@ class Poller extends EventEmitter {
 
   poll () {
     this.interval = setInterval(() => this.pollForChanges(), this.pollingRateSeconds * 1000)
+    // Do not force the Node.js event loop to remain open if the application is shutting down
+    this.interval.unref()
   }
 
   stop () {
diff --git a/package.json b/package.json
index 1cd620e..f1059a2 100644
--- a/package.json
+++ b/package.json
@@ -4,10 +4,10 @@
   "description": "",
   "main": "lib/index.js",
   "scripts": {
-    "coverage": "nyc mocha --exit 'lib/*.test.js'",
+    "coverage": "nyc mocha 'lib/*.test.js'",
     "lint": "standard --fix --env mocha",
     "release": "standard-version --tag-prefix=''",
-    "test": "mocha --exit --recursive lib"
+    "test": "mocha --recursive lib"
   },
   "repository": {
     "type": "git",