diff --git a/action.yml b/action.yml
index 77da1cd2..eb238157 100644
--- a/action.yml
+++ b/action.yml
@@ -12,7 +12,7 @@ inputs:
     required: true
   auto-start:
     description: enable to auto-start redis-sever
-    default: "yes"
+    default: "true"
     required: true
 runs:
   using: 'node12'
diff --git a/package-lock.json b/package-lock.json
index db48dac1..480b6598 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,7 +8,7 @@
       "version": "0.0.0",
       "license": "MIT",
       "dependencies": {
-        "@actions/core": "^1.2.7",
+        "@actions/core": "^1.3.0",
         "@actions/exec": "^1.0.4",
         "@actions/io": "^1.1.0",
         "@actions/tool-cache": "^1.6.1",
@@ -28,9 +28,10 @@
       }
     },
     "node_modules/@actions/core": {
-      "version": "1.2.7",
-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.7.tgz",
-      "integrity": "sha512-kzLFD5BgEvq6ubcxdgPbRKGD2Qrgya/5j+wh4LZzqT915I0V3rED+MvjH6NXghbvk1MXknpNNQ3uKjXSEN00Ig=="
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.3.0.tgz",
+      "integrity": "sha512-xxtX0Cwdhb8LcgatfJkokqT8KzPvcIbwL9xpLU09nOwBzaStbfm0dNncsP0M4us+EpoPdWy7vbzU5vSOH7K6pg==",
+      "license": "MIT"
     },
     "node_modules/@actions/exec": {
       "version": "1.0.4",
@@ -6135,9 +6136,9 @@
   },
   "dependencies": {
     "@actions/core": {
-      "version": "1.2.7",
-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.7.tgz",
-      "integrity": "sha512-kzLFD5BgEvq6ubcxdgPbRKGD2Qrgya/5j+wh4LZzqT915I0V3rED+MvjH6NXghbvk1MXknpNNQ3uKjXSEN00Ig=="
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.3.0.tgz",
+      "integrity": "sha512-xxtX0Cwdhb8LcgatfJkokqT8KzPvcIbwL9xpLU09nOwBzaStbfm0dNncsP0M4us+EpoPdWy7vbzU5vSOH7K6pg=="
     },
     "@actions/exec": {
       "version": "1.0.4",
diff --git a/package.json b/package.json
index 551528d1..911164eb 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
   "author": "Ichinose Shogo",
   "license": "MIT",
   "dependencies": {
-    "@actions/core": "^1.2.7",
+    "@actions/core": "^1.3.0",
     "@actions/exec": "^1.0.4",
     "@actions/io": "^1.1.0",
     "@actions/tool-cache": "^1.6.1",
diff --git a/src/setup-redis.ts b/src/setup-redis.ts
index 085503ca..77f11e96 100644
--- a/src/setup-redis.ts
+++ b/src/setup-redis.ts
@@ -4,19 +4,10 @@ import * as starter from './starter';
 
 async function run() {
   try {
-    const version = core.getInput('redis-version', {
-      required: true
-    });
-    const port = parseInt(
-      core.getInput('redis-port', {
-        required: true
-      })
-    );
-    const autoStart = parseBoolean(
-      core.getInput('auto-start', {
-        required: true
-      })
-    );
+    const required = {required: true};
+    const version = core.getInput('redis-version', required);
+    const port = parseInt(core.getInput('redis-port', required));
+    const autoStart = core.getBooleanInput('auto-start', required);
 
     const redisPath = await core.group('install redis', async () => {
       return installer.getRedis(version);
@@ -32,27 +23,4 @@ async function run() {
   }
 }
 
-function parseBoolean(s: string): boolean {
-  switch (s) {
-    case 'y':
-    case 'Y':
-    case 'yes':
-    case 'Yes':
-    case 'YES':
-    case 'true':
-    case 'True':
-    case 'TRUE':
-      return true;
-    case 'n':
-    case 'N':
-    case 'no':
-    case 'No':
-    case 'NO':
-    case 'false':
-    case 'False':
-    case 'FALSE':
-      return false;
-  }
-  throw `invalid boolean value: ${s}`;
-}
 run();