diff --git a/src/setup.ts b/src/setup.ts
index 89e6629..ac5814f 100644
--- a/src/setup.ts
+++ b/src/setup.ts
@@ -21,7 +21,7 @@ export async function installKubectl() {
 		trimWhitespace: true
 	})
 
-	const version = input === 'latest' ? await fetchLatestVersion() : input
+	const version = input === 'latest' || input === '' ? await fetchLatestVersion() : input
 	debug(`kubectl-version: ${version ?? 'undefined'}`)
 
 	if (!version?.startsWith('v')) {