diff --git a/package.json b/package.json
index 3f5d0400..f65a84bf 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "np",
-	"version": "5.1.0",
+	"version": "5.2.1",
 	"description": "A better `npm publish`",
 	"license": "MIT",
 	"repository": "sindresorhus/np",
@@ -30,34 +30,34 @@
 	],
 	"dependencies": {
 		"@samverschueren/stream-to-observable": "^0.3.0",
-		"any-observable": "^0.4.0",
+		"any-observable": "^0.5.0",
 		"async-exit-hook": "^2.0.1",
-		"chalk": "^2.3.0",
+		"chalk": "^3.0.0",
 		"cosmiconfig": "^5.2.1",
 		"del": "^4.1.0",
 		"escape-string-regexp": "^2.0.0",
-		"execa": "^2.0.1",
+		"execa": "^3.4.0",
 		"github-url-from-git": "^1.5.0",
 		"has-yarn": "^2.1.0",
 		"hosted-git-info": "^3.0.0",
 		"ignore-walk": "^3.0.2",
 		"inquirer": "^7.0.0",
-		"is-installed-globally": "^0.2.0",
+		"is-installed-globally": "^0.3.1",
 		"is-scoped": "^2.1.0",
 		"issue-regex": "^2.0.0",
 		"listr": "^0.14.3",
-		"listr-input": "^0.1.3",
+		"listr-input": "^0.2.0",
 		"log-symbols": "^3.0.0",
 		"meow": "^5.0.0",
 		"minimatch": "^3.0.4",
 		"npm-name": "^5.4.0",
 		"onetime": "^5.1.0",
-		"open": "^6.1.0",
-		"ow": "^0.13.2",
+		"open": "^7.0.0",
+		"ow": "^0.15.0",
 		"p-memoize": "^3.1.0",
 		"p-timeout": "^3.1.0",
 		"pkg-dir": "^4.1.0",
-		"read-pkg-up": "^6.0.0",
+		"read-pkg-up": "^7.0.0",
 		"rxjs": "^6.3.3",
 		"semver": "^6.1.2",
 		"split": "^1.0.0",
@@ -70,6 +70,6 @@
 		"proxyquire": "^2.1.0",
 		"mockery": "^2.1.0",
 		"sinon": "^7.3.2",
-		"xo": "^0.24.0"
+		"xo": "^0.25.3"
 	}
 }
diff --git a/source/index.js b/source/index.js
index 969489d4..4becf332 100644
--- a/source/index.js
+++ b/source/index.js
@@ -35,6 +35,7 @@ const exec = (cmd, args) => {
 	).pipe(filter(Boolean));
 };
 
+// eslint-disable-next-line default-param-last
 module.exports = async (input = 'patch', options) => {
 	options = {
 		cleanup: true,
@@ -87,11 +88,13 @@ module.exports = async (input = 'patch', options) => {
 
 	// The default parameter is a workaround for https://github.com/Tapppi/async-exit-hook/issues/9
 	exitHook((callback = () => {}) => {
-		if (publishStatus === 'FAILED' && runPublish) {
+		if (publishStatus === 'FAILED') {
 			(async () => {
 				await rollback();
 				callback();
 			})();
+		} else if (publishStatus === 'SUCCESS') {
+			callback();
 		} else {
 			console.log('\nAborted!');
 			callback();
@@ -210,6 +213,8 @@ module.exports = async (input = 'patch', options) => {
 				}
 			]);
 		}
+	} else {
+		publishStatus = 'SUCCESS';
 	}
 
 	tasks.add({
@@ -235,6 +240,6 @@ module.exports = async (input = 'patch', options) => {
 
 	await tasks.run();
 
-	const {package: newPkg} = await readPkgUp();
+	const {packageJson: newPkg} = await readPkgUp();
 	return newPkg;
 };
diff --git a/source/npm/handle-npm-error.js b/source/npm/handle-npm-error.js
index ccafd8f3..d3390151 100644
--- a/source/npm/handle-npm-error.js
+++ b/source/npm/handle-npm-error.js
@@ -9,7 +9,8 @@ const handleNpmError = (error, task, message, executor) => {
 		message = undefined;
 	}
 
-	if (error.stderr.includes('one-time pass') || error.message.includes('user TTY')) {
+	// `one-time pass` is for npm and `Two factor authentication` is for Yarn.
+	if (error.stderr.includes('one-time pass') || error.stdout.includes('Two factor authentication')) {
 		const {title} = task;
 		task.title = `${title} ${chalk.yellow('(waiting for input…)')}`;
 
diff --git a/source/npm/util.js b/source/npm/util.js
index 197953bb..0f9ba5f2 100644
--- a/source/npm/util.js
+++ b/source/npm/util.js
@@ -79,12 +79,14 @@ exports.prereleaseTags = async packageName => {
 };
 
 exports.isPackageNameAvailable = async pkg => {
-	const isExternalRegistry = exports.isExternalRegistry(pkg);
-	if (isExternalRegistry) {
-		return true;
+	const args = [pkg.name];
+	if (exports.isExternalRegistry(pkg)) {
+		args.push({
+			registryUrl: pkg.publishConfig.registry
+		});
 	}
 
-	return npmName(pkg.name);
+	return npmName(...args);
 };
 
 exports.isExternalRegistry = pkg => typeof pkg.publishConfig === 'object' && typeof pkg.publishConfig.registry === 'string';
diff --git a/source/pretty-version-diff.js b/source/pretty-version-diff.js
index 3f34fba3..15eb60b8 100644
--- a/source/pretty-version-diff.js
+++ b/source/pretty-version-diff.js
@@ -8,16 +8,16 @@ module.exports = (oldVersion, inc) => {
 	let firstVersionChange = false;
 	const output = [];
 
-	for (let i = 0; i < newVersion.length; i++) {
-		if ((newVersion[i] !== oldVersion[i] && !firstVersionChange)) {
-			output.push(`${chalk.dim.cyan(newVersion[i])}`);
+	for (const [i, element] of newVersion.entries()) {
+		if ((element !== oldVersion[i] && !firstVersionChange)) {
+			output.push(`${chalk.dim.cyan(element)}`);
 			firstVersionChange = true;
-		} else if (newVersion[i].indexOf('-') >= 1) {
+		} else if (element.indexOf('-') >= 1) {
 			let preVersion = [];
-			preVersion = newVersion[i].split('-');
+			preVersion = element.split('-');
 			output.push(`${chalk.dim.cyan(`${preVersion[0]}-${preVersion[1]}`)}`);
 		} else {
-			output.push(chalk.reset.dim(newVersion[i]));
+			output.push(chalk.reset.dim(element));
 		}
 	}
 
diff --git a/source/ui.js b/source/ui.js
index a89ca702..9e4d1c6b 100644
--- a/source/ui.js
+++ b/source/ui.js
@@ -69,6 +69,7 @@ module.exports = async (options, pkg) => {
 	const oldVersion = pkg.version;
 	const extraBaseUrls = ['gitlab.com'];
 	const repoUrl = pkg.repository && githubUrlFromGit(pkg.repository.url, {extraBaseUrls});
+	const runPublish = options.publish && !pkg.private;
 
 	if (runPublish) {
 		checkIgnoreStrategy(pkg);
@@ -125,7 +126,7 @@ module.exports = async (options, pkg) => {
 			type: 'list',
 			name: 'tag',
 			message: 'How should this pre-release version be tagged in npm?',
-			when: answers => !pkg.private && version.isPrereleaseOrIncrement(answers.version) && !options.tag,
+			when: answers => options.publish && !pkg.private && version.isPrereleaseOrIncrement(answers.version) && !options.tag,
 			choices: async () => {
 				const existingPrereleaseTags = await prereleaseTags(pkg.name);
 
@@ -143,7 +144,7 @@ module.exports = async (options, pkg) => {
 			type: 'input',
 			name: 'tag',
 			message: 'Tag',
-			when: answers => !pkg.private && version.isPrereleaseOrIncrement(answers.version) && !options.tag && !answers.tag,
+			when: answers => options.publish && !pkg.private && version.isPrereleaseOrIncrement(answers.version) && !options.tag && !answers.tag,
 			validate: input => {
 				if (input.length === 0) {
 					return 'Please specify a tag, for example, `next`.';
diff --git a/source/util.js b/source/util.js
index 802f9c46..ffd00df8 100644
--- a/source/util.js
+++ b/source/util.js
@@ -9,13 +9,13 @@ const gitUtil = require('./git-util');
 const npmUtil = require('./npm/util');
 
 exports.readPkg = () => {
-	const {package: pkg} = readPkgUp.sync();
+	const {packageJson} = readPkgUp.sync();
 
-	if (!pkg) {
+	if (!packageJson) {
 		throw new Error('No package.json found. Make sure you\'re in the correct project.');
 	}
 
-	return pkg;
+	return packageJson;
 };
 
 exports.linkifyIssues = (url, message) => {