diff --git a/.github/workflows/lint-and-test.yml b/.github/workflows/lint-and-test.yml
index f4beb5d7..5475637d 100644
--- a/.github/workflows/lint-and-test.yml
+++ b/.github/workflows/lint-and-test.yml
@@ -68,7 +68,7 @@ jobs:
         key: ${{ runner.os }}-node-${{ needs.prepare-node.outputs.build-node-version }}-${{ env.GITHUB_SHA }}
 
     - run: yarn install
-    - run: yarn test-e2e:build
+    - run: npm run test-e2e:build
 
   unit-test-and-package-test:
     name: Unit Test & Package Test
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0cb3db89..e4695bdd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+### 3.0.1
+  - Added `ensure-npm` developer script
+  - Dependency updates
+
 ### 3.0.0
   - BREAKING CHANGE: Drops support for Node 14
   - Adds support for Node 20 and Node 22
diff --git a/dev/ensure-npm.mjs b/dev/ensure-npm.mjs
new file mode 100755
index 00000000..20520baf
--- /dev/null
+++ b/dev/ensure-npm.mjs
@@ -0,0 +1,25 @@
+import readline from 'node:readline/promises'
+import { stdin as input, stdout as output } from 'node:process'
+
+const agent = process.env.npm_config_user_agent
+
+// word boundary + "npm/" + a digit
+const npmVersionRegEx = /\bnpm\/\d/
+
+if (!agent?.match(npmVersionRegEx)) {
+  console.log('You do not appear to be using `npm` as your Node package manager. Are you using `yarn`? Try the same command with `npm`.')
+  process.exit(1)
+}
+
+(async () => {
+
+  const rl = readline.createInterface({ input, output })
+
+  const answer = await rl.question('Are you running "npm publish" or did you pack using "npm"? That\'s "npm" instead of "yarn". Very important!!! [Yy]')
+  rl.close()
+
+  if (answer?.toLowerCase() !== 'y') {
+    console.log('You must use `npm` (and not `yarn`) for this command.')
+    process.exit()
+  }
+})()
diff --git a/package.json b/package.json
index 23680102..2cb3f133 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "spectaql",
-  "version": "3.0.0",
+  "version": "3.0.1",
   "description": "A powerful library for autogenerating static GraphQL API documentation",
   "author": "Anvil Foundry Inc. <hello@useanvil.com>",
   "homepage": "https://github.com/anvilco/spectaql",
@@ -56,7 +56,7 @@
     "clean-build:vendor": "npm run clean:vendor && npm run build:vendor",
     "clean-build": "npm run clean && npm run build",
     "prepack": "husky install && npm run ensure-npm && npm run clean-build",
-    "ensure-npm": "read -p \"Are you running \\\"npm publish\\\" or did you pack using \\\"npm\\\"? That's \\\"npm\\\" instead of \\\"yarn\\\". Very important!!! [Yy]\" -n 1 -r; if [[ ! $REPLY =~ ^[Yy]$ ]]\nthen\n[[ \"$0\" = \"$BASH_SOURCE\" ]] && exit 1 || return 1\nfi",
+    "ensure-npm": "node dev/ensure-npm.mjs",
     "publish:dry-run": "npm pack --dry-run",
     "publish:version": "npm version",
     "publish:beta": "npm publish --tag beta",