diff --git a/dist/index.js b/dist/index.js
index 53920a6..016c513 100644
Binary files a/dist/index.js and b/dist/index.js differ
diff --git a/src/inputs/index.ts b/src/inputs/index.ts
index 0e53520..aa97623 100644
--- a/src/inputs/index.ts
+++ b/src/inputs/index.ts
@@ -1,21 +1,6 @@
-import process from 'process'
-import { getInput, error, InputOptions } from '@actions/core'
+import { getInput, InputOptions } from '@actions/core'
 import expandTilde from 'expand-tilde'
-import { safeLoad } from 'js-yaml'
-import Ajv from 'ajv'
-import runInstallSchema from './run-install-input.schema.json'
-
-interface RunInstall {
-  readonly recursive?: boolean
-  readonly cwd?: string
-  readonly args?: readonly string[]
-}
-
-export type RunInstallInput =
-  | null
-  | boolean
-  | RunInstall
-  | RunInstall[]
+import { RunInstall, parseRunInstall } from './run-install'
 
 export interface Inputs {
   readonly version: string
@@ -31,25 +16,6 @@ const options: InputOptions = {
 
 const parseInputPath = (name: string) => expandTilde(getInput(name, options))
 
-function parseRunInstall(name: string): RunInstall[] {
-  const result: RunInstallInput = safeLoad(getInput(name, options))
-  const ajv = new Ajv({
-    allErrors: true,
-    async: false,
-  })
-  const validate = ajv.compile(runInstallSchema)
-  if (!validate(result)) {
-    for (const errorItem of validate.errors!) {
-      error(`with.run_install${errorItem.dataPath}: ${errorItem.message}`)
-    }
-    return process.exit(1)
-  }
-  if (!result) return []
-  if (result === true) return [{ recursive: true }]
-  if (Array.isArray(result)) return result
-  return [result]
-}
-
 export const getInputs = (): Inputs => ({
   version: getInput('version', options),
   dest: parseInputPath('dest'),
diff --git a/src/inputs/run-install-input.schema.autogen.json b/src/inputs/run-install-input.schema.autogen.json
index c42a1d7..1a70dd1 100644
--- a/src/inputs/run-install-input.schema.autogen.json
+++ b/src/inputs/run-install-input.schema.autogen.json
@@ -14,7 +14,7 @@
       "esModuleInterop": true,
       "resolveJsonModule": true
     },
-    "input": "index.ts",
+    "input": "run-install.ts",
     "symbol": "RunInstallInput",
     "output": "run-install-input.schema.json"
   }
diff --git a/src/inputs/run-install.ts b/src/inputs/run-install.ts
new file mode 100644
index 0000000..4e2c265
--- /dev/null
+++ b/src/inputs/run-install.ts
@@ -0,0 +1,40 @@
+import process from 'process'
+import { safeLoad } from 'js-yaml'
+import Ajv from 'ajv'
+import { getInput, error, InputOptions } from '@actions/core'
+import runInstallSchema from './run-install-input.schema.json'
+
+export interface RunInstall {
+  readonly recursive?: boolean
+  readonly cwd?: string
+  readonly args?: readonly string[]
+}
+
+export type RunInstallInput =
+  | null
+  | boolean
+  | RunInstall
+  | RunInstall[]
+
+const options: InputOptions = {
+  required: true,
+}
+
+export function parseRunInstall(name: string): RunInstall[] {
+  const result: RunInstallInput = safeLoad(getInput(name, options))
+  const ajv = new Ajv({
+    allErrors: true,
+    async: false,
+  })
+  const validate = ajv.compile(runInstallSchema)
+  if (!validate(result)) {
+    for (const errorItem of validate.errors!) {
+      error(`with.run_install${errorItem.dataPath}: ${errorItem.message}`)
+    }
+    return process.exit(1)
+  }
+  if (!result) return []
+  if (result === true) return [{ recursive: true }]
+  if (Array.isArray(result)) return result
+  return [result]
+}