diff --git a/README.md b/README.md
index 1e942c3..cc6699d 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ This library assumes:
 
 Add `sequelize-test-helpers` as a `devDependency`:
 
-```
+```sh
 npm i -D sequelize-test-helpers
 ```
 
@@ -43,7 +43,7 @@ Let's say you have a Sequelize model `User` as follows:
 
 #### `src/models/User.js`
 
-```
+```js
 const model = (sequelize, DataTypes) => {
   const User = sequelize.define(
     'User',
@@ -104,7 +104,7 @@ You can use `sequelize-test-helpers` to unit-test this as follows:
 
 #### `test/unit/models/User.spec.js`
 
-```
+```js
 const { expect } = require('chai')
 
 const {
@@ -124,13 +124,9 @@ describe('src/models/User', () => {
   checkModelName(User)('User')
 
   context('properties', () => {
-    ;[
-      'age',
-      'firstname',
-      'lastname',
-      'email',
-      'token'
-    ].forEach(checkPropertyExists(user))
+    ;['age', 'firstname', 'lastname', 'email', 'token'].forEach(
+      checkPropertyExists(user)
+    )
   })
 
   context('associations', () => {
@@ -169,7 +165,7 @@ The various association functions are stubbed so you can simply invoke the the m
 
 #### `hasOne`
 
-```
+```js
 it("defined a hasOne association with Image as 'profilePic'", () => {
   expect(User.hasOne).to.have.been.calledWith(Image, {
     as: 'profilePic'
@@ -179,7 +175,7 @@ it("defined a hasOne association with Image as 'profilePic'", () => {
 
 #### `belongsTo`
 
-```
+```js
 it('defined a belongsTo association with Company', () => {
   expect(User.belongsTo).to.have.been.calledWith(Company)
 })
@@ -187,7 +183,7 @@ it('defined a belongsTo association with Company', () => {
 
 #### `hasMany`
 
-```
+```js
 it("defined a hasMany association with User as 'employees'", () => {
   expect(Company.hasMany).to.have.been.calledWith(User, {
     as: 'employees'
@@ -197,7 +193,7 @@ it("defined a hasMany association with User as 'employees'", () => {
 
 #### `belongsToMany`
 
-```
+```js
 it("defined a belongsToMany association with Category through CategoriesCompanies as 'categories'", () => {
   expect(Company.belongsToMany).to.have.been.calledWith(Category, {
     through: CategoriesCompanies,
@@ -212,7 +208,7 @@ Let's say you have a utility function that takes some data and uses it to update
 
 #### `src/utils/save.js`
 
-```
+```js
 const { User } = require('../models')
 
 const save = async ({ id, ...data }) => {
@@ -230,7 +226,7 @@ This is where `makeMockModels`, `sinon`, and [`proxyquire`](https://github.com/t
 
 #### `test/unit/utils/save.spec.js`
 
-```
+```js
 const { expect } = require('chai')
 const { match, stub } = require('sinon')
 const proxyquire = require('proxyquire')
@@ -309,7 +305,7 @@ As a convenience, `makeMockModels` will automatically populate your `mockModels`
 
 It's useful to be able to generate a list of the names of your models.
 
-```
+```js
 const { listModels } = require('sequelize-test-helpers')
 
 console.log(listModels()) // will spit out a list of your model names.
diff --git a/package-lock.json b/package-lock.json
index 0699009..c40fc9d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -255,6 +255,16 @@
       "integrity": "sha1-z+nYwmYoudxa7MYqn12PHzUsEZU=",
       "dev": true
     },
+    "array-includes": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/array-includes/-/array-includes-3.0.3.tgz",
+      "integrity": "sha1-GEtI9i2S10UrsxsyMWXH+L0CJm0=",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.2",
+        "es-abstract": "^1.7.0"
+      }
+    },
     "array-union": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/array-union/-/array-union-1.0.2.tgz",
@@ -1098,11 +1108,12 @@
       }
     },
     "eslint-plugin-import": {
-      "version": "2.16.0",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-import/-/eslint-plugin-import-2.16.0.tgz",
-      "integrity": "sha512-z6oqWlf1x5GkHIFgrSvtmudnqM6Q60KM4KvpWi5ubonMjycLjndvd5+8VAZIsTlHC03djdgJuyKG6XO577px6A==",
+      "version": "2.17.0",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-import/-/eslint-plugin-import-2.17.0.tgz",
+      "integrity": "sha512-JCsOtNwPYUoeZPlSr8t0+uCU5OVlHh+dIBn8Rw7FiOPjCECG+QzDIKDqshbyJE6CYoj9wpcstEl8vUY7rXkqVA==",
       "dev": true,
       "requires": {
+        "array-includes": "^3.0.3",
         "contains-path": "^0.1.0",
         "debug": "^2.6.9",
         "doctrine": "1.5.0",
@@ -1112,7 +1123,7 @@
         "lodash": "^4.17.11",
         "minimatch": "^3.0.4",
         "read-pkg-up": "^2.0.0",
-        "resolve": "^1.9.0"
+        "resolve": "^1.10.0"
       },
       "dependencies": {
         "debug": {
@@ -4288,9 +4299,9 @@
       "dev": true
     },
     "prettier": {
-      "version": "1.16.4",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.16.4.tgz",
-      "integrity": "sha512-ZzWuos7TI5CKUeQAtFd6Zhm2s6EpAD/ZLApIhsF9pRvRtM1RFo61dM/4MSRUA0SuLugA/zgrZD8m0BaY46Og7g==",
+      "version": "1.17.0",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.17.0.tgz",
+      "integrity": "sha512-sXe5lSt2WQlCbydGETgfm1YBShgOX4HxQkFPvbxkcwgDvGDeqVau8h+12+lmSVlP3rHPz0oavfddSZg/q+Szjw==",
       "dev": true
     },
     "prettier-linter-helpers": {
diff --git a/package.json b/package.json
index d0f608b..8b2ab9c 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "eslint": "^5.16.0",
     "eslint-config-prettier": "^4.1.0",
     "eslint-config-standard": "^12.0.0",
-    "eslint-plugin-import": "^2.16.0",
+    "eslint-plugin-import": "^2.17.0",
     "eslint-plugin-mocha": "^5.3.0",
     "eslint-plugin-node": "^8.0.1",
     "eslint-plugin-prettier": "^3.0.1",
@@ -54,7 +54,7 @@
     "lint-staged": "^8.1.5",
     "mocha": "^6.1.3",
     "nyc": "^13.3.0",
-    "prettier": "^1.16.4",
+    "prettier": "^1.17.0",
     "proxyquire": "^2.1.0",
     "sinon": "^7.3.1",
     "sinon-chai": "^3.3.0"