diff --git a/.nvmrc b/.nvmrc
index 6b9255c..ee1b03f 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-6.9.2
+9.11.1
diff --git a/RELEASE.md b/RELEASE.md
new file mode 100644
index 0000000..4f29392
--- /dev/null
+++ b/RELEASE.md
@@ -0,0 +1,28 @@
+# Release instructions
+
+These are the minimum required steps to publish the statful AWS collector on npm.  
+Must be executed in the following order
+
+## Locally
+1. ```npm run test```
+2. ```npm run build```
+3. update version in package.json
+
+## GitHub
+
+### Pull Request
+1. create a new pull request
+2. merge pull request by selecting "squash and merge" from the dropdown selector
+
+### New Release
+1. click in the "draft new release" button on repo homepage
+2. insert the version as it is in package.json
+3. Add a necessary summary for the current release (optional)
+4. click the "Publish Release" button
+
+## NPM
+
+1. login into npm in a terminal window ```npm login```
+2. run ```npm publish```
+
+Check the [statful-collector-aws](https://www.npmjs.com/package/statful-collector-aws) on NPM to verify that the newly created version is available. 
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 8a53b1d..8a96aed 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -193,10 +193,130 @@
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-      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.0.9.tgz",
-      "integrity": "sha1-kbR5JYinc4wl813W9jdSovh3YTU=",
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+      "resolved": "https://registry.npmjs.org/@jest/console/-/console-24.7.1.tgz",
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+      "dev": true,
+      "requires": {
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+      "dev": true,
+      "requires": {
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+        "@types/istanbul-lib-report": "*"
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@@ -223,13 +343,6 @@
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@@ -1676,6 +1950,12 @@
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-        "source-map": "~0.6.1"
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-      "dependencies": {
-        "commander": {
-          "version": "2.17.1",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.17.1.tgz",
-          "integrity": "sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg==",
-          "dev": true,
-          "optional": true
-        },
-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "dev": true,
-          "optional": true
-        }
-      }
-    },
     "unc-path-regex": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz",
       "integrity": "sha1-5z3T17DXxe2G+6xrCufYxqadUPo=",
       "dev": true
     },
-    "underscore": {
-      "version": "1.6.0",
-      "resolved": "http://registry.npmjs.org/underscore/-/underscore-1.6.0.tgz",
-      "integrity": "sha1-izixDKze9jM3uLJOT/htRa6lKag=",
-      "dev": true
-    },
     "undertaker": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/undertaker/-/undertaker-1.2.0.tgz",
@@ -7016,35 +6778,14 @@
       "dev": true
     },
     "union-value": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.0.tgz",
-      "integrity": "sha1-XHHDTLW61dzr4+oM0IIHulqhrqQ=",
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.1.tgz",
+      "integrity": "sha512-tJfXmxMeWYnczCVs7XAEvIV7ieppALdyepWMkHkwciRpZraG/xwT+s2JN8+pr1+8jCRf80FFzvr+MpQeeoF4Xg==",
       "requires": {
         "arr-union": "^3.1.0",
         "get-value": "^2.0.6",
         "is-extendable": "^0.1.1",
-        "set-value": "^0.4.3"
-      },
-      "dependencies": {
-        "extend-shallow": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-          "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-          "requires": {
-            "is-extendable": "^0.1.0"
-          }
-        },
-        "set-value": {
-          "version": "0.4.3",
-          "resolved": "https://registry.npmjs.org/set-value/-/set-value-0.4.3.tgz",
-          "integrity": "sha1-fbCPnT0i3H945Trzw79GZuzfzPE=",
-          "requires": {
-            "extend-shallow": "^2.0.1",
-            "is-extendable": "^0.1.1",
-            "is-plain-object": "^2.0.1",
-            "to-object-path": "^0.3.0"
-          }
-        }
+        "set-value": "^2.0.1"
       }
     },
     "unique-concat": {
@@ -7139,6 +6880,12 @@
       "resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",
       "integrity": "sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ=="
     },
+    "user-home": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/user-home/-/user-home-1.1.1.tgz",
+      "integrity": "sha1-K1viOjK2Onyd640PKNSFcko98ZA=",
+      "dev": true
+    },
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -7411,6 +7158,12 @@
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
       "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE="
     },
+    "yallist": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.0.3.tgz",
+      "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==",
+      "optional": true
+    },
     "yamljs": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/yamljs/-/yamljs-0.3.0.tgz",
diff --git a/package.json b/package.json
index b0cd2b2..669dc55 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "statful-collector-aws",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "AWS Cloudwatch collector for Statful",
   "engines": {
     "node": ">=4.6.0",
@@ -8,8 +8,7 @@
   },
   "scripts": {
     "build": "npm run test && node_modules/.bin/gulp build",
-    "test": "eslint 'src' --color --ext .js && babel-node test/run.js",
-    "prepublish": "npm run build"
+    "test": "eslint 'src' --color --ext .js && babel-node test/run.js"
   },
   "main": "index.js",
   "bin": {
@@ -29,7 +28,7 @@
     "babel-register": "^6.26.0",
     "del": "^3.0.0",
     "eslint": "^5.12.0",
-    "expect": "^23.6.0",
+    "expect": "^24.8.0",
     "gulp": "^4.0.0",
     "gulp-babel": "^6.1.3",
     "jasmine": "^3.3.1",
@@ -43,7 +42,7 @@
     "bunyan": "^1.8.1",
     "fs-extra": "^0.30.0",
     "jsonschema": "^1.1.0",
-    "lodash": "^4.17.11",
+    "lodash": "^4.17.14",
     "pm2": "^2.0.18",
     "statful-client": "~6.1.1",
     "yargs": "^5.0.0"