diff --git a/.github/actions/apply-version/main.js b/.github/actions/apply-version/main.js
index 7273971..9f42879 100644
--- a/.github/actions/apply-version/main.js
+++ b/.github/actions/apply-version/main.js
@@ -1,29 +1,21 @@
 const fs = require('fs')
-const path = require('path')
 const execSync = require('child_process').execSync
 const core = require('@actions/core')
+const utils = require('../utils')
 
 /**
  * @fileoverview Replace version and links to API docs with the current/fresh
  * value where needed (package.json, readme, storybook intro).
  */
 
-/**
- * @param {string} filepath relative to project root
- * @return {string} absolute path
- */
-function file(filepath) {
-  return path.resolve(__dirname, `../../../${filepath}`)
-}
-
 const TOKENS = {
   LINK_DOCS: 'CI_REPLACE_LINK_DOCS',
   VERSION: 'CI_REPLACE_VERSION',
 }
 
 const FILES = {
-  README: file('README.md'),
-  STORYBOOK_INTRO: file('story/stories/Intro.mdx'),
+  README: utils.file('README.md'),
+  STORYBOOK_INTRO: utils.file('story/stories/Intro.mdx'),
 }
 
 const version = core.getInput('version', {required: true})
diff --git a/.github/actions/publish/main.js b/.github/actions/publish/main.js
index 84c3806..9ac152b 100644
--- a/.github/actions/publish/main.js
+++ b/.github/actions/publish/main.js
@@ -1,5 +1,7 @@
 const execSync = require('child_process').execSync
 const core = require('@actions/core')
+const fs = require('fs')
+const utils = require('../utils')
 
 /**
  * @fileoverview Publish to NPM, if the version is in the beta format
@@ -55,4 +57,16 @@ if (label) {
 }
 
 core.info(`Publishing ${type === 'beta' ? 'Beta version' : 'version'} ${version}.`)
-execSync(`export NPM_TOKEN=${npmToken}; npm publish ${args.join(' ')}`, { stdio: 'inherit' })
+
+const npmRcContent = `
+@castlabs:registry=https://registry.npmjs.org
+//registry.npmjs.org/:_authToken=\${NPM_TOKEN}
+`
+
+try {
+  fs.writeFileSync(utils.file('.npmrc'), npmRcContent)
+  execSync(`export NPM_TOKEN=${npmToken}; npm publish ${args.join(' ')}`, { stdio: 'inherit' })
+} catch (error) {
+  core.error('Failed to publish to NPM' + error)
+  process.exit(1)
+}
diff --git a/.github/actions/utils.js b/.github/actions/utils.js
new file mode 100644
index 0000000..1396560
--- /dev/null
+++ b/.github/actions/utils.js
@@ -0,0 +1,13 @@
+const path = require('path')
+
+/**
+ * @param {string} filepath relative to project root
+ * @return {string} absolute path
+ */
+function file(filepath) {
+  return path.resolve(__dirname, `../../${filepath}`)
+}
+
+module.exports = {
+  file,
+}