diff --git a/package-lock.json b/package-lock.json
index 16a516e..1b71fae 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,7 +20,7 @@
         "@types/chai": "3.4.34",
         "@types/lodash": "4.14.158",
         "@types/mocha": "2.2.41",
-        "@types/node": "^8.10.59",
+        "@types/node": "^9.6.61",
         "@types/pg": "^8.6.0",
         "@types/uuid": "^8.3.0",
         "chai": "^3.4.1",
@@ -61,10 +61,11 @@
       "dev": true
     },
     "node_modules/@types/node": {
-      "version": "8.10.66",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-8.10.66.tgz",
-      "integrity": "sha512-tktOkFUA4kXx2hhhrB8bIFb5TbwzS4uOhKEmwiD+NoiL0qtP2OQ9mFldbgD4dV1djrlBYP6eBuQZiWjuHUpqFw==",
-      "dev": true
+      "version": "9.6.61",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-9.6.61.tgz",
+      "integrity": "sha512-/aKAdg5c8n468cYLy2eQrcR5k6chlbNwZNGUj3TboyPa2hcO2QAJcfymlqPzMiRj8B6nYKXjzQz36minFE0RwQ==",
+      "dev": true,
+      "license": "MIT"
     },
     "node_modules/@types/pg": {
       "version": "8.6.0",
@@ -1810,9 +1811,9 @@
       "dev": true
     },
     "@types/node": {
-      "version": "8.10.66",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-8.10.66.tgz",
-      "integrity": "sha512-tktOkFUA4kXx2hhhrB8bIFb5TbwzS4uOhKEmwiD+NoiL0qtP2OQ9mFldbgD4dV1djrlBYP6eBuQZiWjuHUpqFw==",
+      "version": "9.6.61",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-9.6.61.tgz",
+      "integrity": "sha512-/aKAdg5c8n468cYLy2eQrcR5k6chlbNwZNGUj3TboyPa2hcO2QAJcfymlqPzMiRj8B6nYKXjzQz36minFE0RwQ==",
       "dev": true
     },
     "@types/pg": {
diff --git a/package.json b/package.json
index 7a08c80..01723e5 100644
--- a/package.json
+++ b/package.json
@@ -46,7 +46,7 @@
     "@types/chai": "3.4.34",
     "@types/lodash": "4.14.158",
     "@types/mocha": "2.2.41",
-    "@types/node": "^8.10.59",
+    "@types/node": "^9.6.61",
     "@types/pg": "^8.6.0",
     "@types/uuid": "^8.3.0",
     "chai": "^3.4.1",
diff --git a/src/tiny.ts b/src/tiny.ts
index a8b0a1e..9fa05be 100644
--- a/src/tiny.ts
+++ b/src/tiny.ts
@@ -370,11 +370,11 @@ export class TinyPg {
             } else if (_.get(client, 'connection.stream.destroyed', false)) {
                reject(new Error('Connection terminated'))
             } else {
-               setTimeout(checkForConnection, 500)
+               setTimeout(checkForConnection, 500).unref();
             }
          }
 
-         setTimeout(checkForConnection, 500)
+         setTimeout(checkForConnection, 500).unref();
       })
 
       const query_promise = async (): Promise<T.Result<T>> => {