diff --git a/.gitignore b/.gitignore
index 3aea00a..6426352 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@ node_modules
 .idea
 npm-debug.log
 cov-int
+.nyc_output
 coverage
 hubot-symphony.iml
 certs
diff --git a/.istanbul.yml b/.istanbul.yml
deleted file mode 100644
index f5e0877..0000000
--- a/.istanbul.yml
+++ /dev/null
@@ -1,12 +0,0 @@
-verbose: false
-instrumentation:
-  root: .
-  extensions:
-    - .coffee
-  excludes: ['**/it/**']
-  include-all-sources: true
-reporting:
-  print: summary
-  reports:
-    - text-summary
-    - lcov
\ No newline at end of file
diff --git a/.npmignore b/.npmignore
index cecbdb8..610c4f4 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1,5 +1,5 @@
 .codeclimate.yml
-.istanbul.yml
+.flowconfig
 .travis.yml
 coffeelint.json
 it/*
diff --git a/package.json b/package.json
index 4bece68..ad930ac 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "hubot-symphony",
   "description": "Hubot adapter for Symphony",
-  "main": "src/adapter.coffee",
+  "main": "src/adapter.js",
   "scripts": {
     "precommit": "npm test",
     "prepush": "npm test",
@@ -9,7 +9,7 @@
     "diagnostic": "babel-node src/diagnostic.js",
     "flow": "flow",
     "test": "mocha test/*.js",
-    "test-cov": "cross-env COFFEECOV_INIT_ALL=false mocha --require coffee-coverage/register-istanbul test/*.js && istanbul report",
+    "test-cov": "nyc npm test",
     "it": "mocha it/*.coffee it/*.js",
     "generate-yarn-lockfile": "npm install -g yarn && npm install --production && yarn install",
     "semantic-release": "semantic-release pre && npm publish && semantic-release post"
@@ -45,7 +45,6 @@
     "babel-preset-es2016": "6.22.0",
     "babel-register": "6.24.0",
     "chai": "3.5.0",
-    "coffee-coverage": "2.0.1",
     "coffee-script": "1.12.4",
     "coveralls": "2.11.15",
     "cross-env": "3.1.4",
@@ -54,9 +53,9 @@
     "ghooks": "2.0.0",
     "hubot": "2.19.0",
     "husky": "0.12.0",
-    "istanbul": "0.4.5",
     "mocha": "3.2.0",
     "nock": "9.0.2",
+    "nyc": "10.1.2",
     "semantic-release": "6.3.2",
     "uuid": "3.0.1",
     "validate-commit-msg": "2.10.1",
@@ -72,5 +71,23 @@
     "validate-commit-msg": {
       "helpMessage": "This repo is Commitizen friendly, commit using git cz or see https://github.com/stevemao/conventional-changelog-angular/blob/master/convention.md"
     }
+  },
+  "nyc": {
+    "include": [
+      "src/*.js"
+    ],
+    "exclude": [
+      "**/*-compiled.js",
+      "**/*-compiled.js.map"
+    ],
+    "require": [
+      "babel-register"
+    ],
+    "reporter": [
+      "lcov",
+      "text"
+    ],
+    "sourceMap": true,
+    "instrument": true
   }
 }