4 files changed, 11 insertions, 20 deletions
diff --git a/packages/web3-wrapper/README.md b/packages/web3-wrapper/README.md
index d752a9de0..bfa98deff 100644
--- a/packages/web3-wrapper/README.md
+++ b/packages/web3-wrapper/README.md
@@ -40,28 +40,16 @@ yarn install
 
 ### Build
 
-If this is your **first** time building this package, you must first build **all** packages within the monorepo. This is because packages that depend on other packages located inside this monorepo are symlinked when run from **within** the monorepo. This allows you to make changes across multiple packages without first publishing dependent packages to NPM. To build all packages, run the following from the monorepo root directory:
+To build this package and all other monorepo packages that it depends on, run the following from the monorepo root directory:
 
 ```bash
-yarn lerna:rebuild
+PKG=@0xproject/web3-wrapper yarn build
 ```
 
 Or continuously rebuild on change:
 
 ```bash
-yarn dev
-```
-
-You can also build this specific package by running the following from within its directory:
-
-```bash
-yarn build
-```
-
-or continuously rebuild on change:
-
-```bash
-yarn build:watch
+PKG=@0xproject/web3-wrapper yarn watch
 ```
 
 ### Clean
diff --git a/packages/web3-wrapper/package.json b/packages/web3-wrapper/package.json
index bc38df00d..c0fa45433 100644
--- a/packages/web3-wrapper/package.json
+++ b/packages/web3-wrapper/package.json
@@ -1,11 +1,14 @@
 {
     "name": "@0xproject/web3-wrapper",
     "version": "0.6.3",
+    "engines": {
+        "node" : ">=6.12"
+    },
     "description": "Wraps around web3 and gives a nicer interface",
     "main": "lib/src/index.js",
     "types": "lib/src/index.d.ts",
     "scripts": {
-        "build:watch": "tsc -w",
+        "watch": "tsc -w",
         "build": "tsc && copyfiles -u 3 './lib/src/monorepo_scripts/**/*' ./scripts",
         "clean": "shx rm -rf lib scripts",
         "lint": "tslint --project .",
@@ -15,7 +18,7 @@
         "test:coverage": "nyc npm run test --all && yarn coverage:report:lcov",
         "coverage:report:lcov": "nyc report --reporter=text-lcov > coverage/lcov.info",
         "manual:postpublish": "yarn build; node ./scripts/postpublish.js",
-        "docs:stage": "yarn build && node ./scripts/stage_docs.js",
+        "docs:stage": "node scripts/stage_docs.js",
         "docs:json": "typedoc --excludePrivate --excludeExternals --target ES5 --json $JSON_FILE_PATH $PROJECT_FILES",
         "upload_docs_json": "aws s3 cp generated_docs/index.json $S3_URL --profile 0xproject --grants read=uri=http://acs.amazonaws.com/groups/global/AllUsers --content-type application/json"
     },
diff --git a/packages/web3-wrapper/src/web3_wrapper.ts b/packages/web3-wrapper/src/web3_wrapper.ts
index 349e1ed7e..c60d5fe33 100644
--- a/packages/web3-wrapper/src/web3_wrapper.ts
+++ b/packages/web3-wrapper/src/web3_wrapper.ts
@@ -117,7 +117,7 @@ export class Web3Wrapper {
      * Update the used Web3 provider
      * @param provider The new Web3 provider to be set
      */
-    public setProvider(provider: Provider) {
+    public setProvider(provider: Provider): void {
         this._web3.setProvider(provider);
     }
     /**
@@ -333,7 +333,7 @@ export class Web3Wrapper {
      */
     public async awaitTransactionMinedAsync(
         txHash: string,
-        pollingIntervalMs = 1000,
+        pollingIntervalMs: number = 1000,
         timeoutMs?: number,
     ): Promise<TransactionReceiptWithDecodedLogs> {
         let timeoutExceeded = false;
diff --git a/packages/web3-wrapper/test/utils/chai_setup.ts b/packages/web3-wrapper/test/utils/chai_setup.ts
index 078edd309..1a8733093 100644
--- a/packages/web3-wrapper/test/utils/chai_setup.ts
+++ b/packages/web3-wrapper/test/utils/chai_setup.ts
@@ -4,7 +4,7 @@ import ChaiBigNumber = require('chai-bignumber');
 import * as dirtyChai from 'dirty-chai';
 
 export const chaiSetup = {
-    configure() {
+    configure(): void {
         chai.config.includeStack = true;
         chai.use(ChaiBigNumber());
         chai.use(dirtyChai);