diff --git a/web3.js/package.json b/web3.js/package.json
index f0081a3928..97190b47b7 100644
--- a/web3.js/package.json
+++ b/web3.js/package.json
@@ -35,11 +35,11 @@
     "/src"
   ],
   "scripts": {
-    "bpf-sdk:install": "set -ex; npm run bpf-sdk:fetch; npm run bpf-sdk:extract; npm run bpf-sdk:remove-symlinks; npm run bpf-sdk:clean",
-    "bpf-sdk:extract": "rm -rf bpf-sdk; tar jxvf bpf-sdk.tar.bz2",
+    "bpf-sdk:install": "run-s bpf-sdk:clean bpf-sdk:fetch bpf-sdk:extract bpf-sdk:remove-symlinks bpf-sdk:clean",
+    "bpf-sdk:extract": "rimraf bpf-sdk; tar jxvf bpf-sdk.tar.bz2",
     "bpf-sdk:fetch": "curl http://solana-sdk.s3.amazonaws.com/$npm_package_testnetDefaultChannel/bpf-sdk.tar.bz2 -o bpf-sdk.tar.bz2",
     "bpf-sdk:remove-symlinks": "find bpf-sdk -type l -print -exec cp {} {}.tmp \\; -exec mv {}.tmp {} \\;",
-    "bpf-sdk:clean": "rm bpf-sdk.tar.bz2",
+    "bpf-sdk:clean": "rimraf bpf-sdk.tar.bz2",
     "build": "cross-env NODE_ENV=production rollup -c",
     "clean": "rimraf ./coverage ./lib",
     "codecov": "set -ex; npm run test:cover; cat ./coverage/lcov.info | codecov",
@@ -50,7 +50,6 @@
     "flow": "set -ex; flow stop; flow-typed install jest@24; flow",
     "flow:stop": "flow stop",
     "flow:watch": "flow stop; watch 'flow' . --wait=1 --ignoreDirectoryPattern=/doc/",
-    "install": "npm run bpf-sdk:install",
     "lint": "set -ex; npm run pretty; eslint .",
     "lint:fix": "npm run lint -- --fix",
     "lint:watch": "watch 'npm run lint:fix' . --wait=1 --ignoreDirectoryPattern=/doc/",
@@ -58,8 +57,8 @@
     "localnet:logs": "bin/localnet.sh logs -f",
     "localnet:up": "bin/localnet.sh up $npm_package_testnetDefaultChannel",
     "localnet:update": "bin/localnet.sh update $npm_package_testnetDefaultChannel",
-    "ok": "set -ex; npm run lint; npm run flow; npm run test; npm run doc",
-    "prepare": "set -ex; npm run clean; npm run bpf-sdk:install; npm run build",
+    "ok": "run-s --serial lint flow test doc",
+    "prepare": "run-s clean bpf-sdk:install build",
     "pretty": "prettier --write '{,{examples,src,test}/**/}*.js'",
     "re": "semantic-release --repository-url git@github.com:solana-labs/solana-web3.js.git",
     "test": "cross-env NODE_ENV=test jest --useStderr",
@@ -76,6 +75,7 @@
     "jayson": "^3.0.1",
     "mz": "^2.7.0",
     "node-fetch": "^2.2.0",
+    "npm-run-all": "^4.1.5",
     "rpc-websockets": "^4.3.3",
     "superstruct": "^0.6.0",
     "tweetnacl": "^1.0.0",