diff --git a/dist/index.js b/dist/index.js
index 0c98134..5091428 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -2396,20 +2396,25 @@ class Audit {
     }
     run() {
         return __awaiter(this, void 0, void 0, function* () {
-            const result = child_process_1.spawnSync('npm', ['audit'], {
-                encoding: 'utf-8'
-            });
-            if (result.error) {
-                throw result.error;
+            try {
+                const result = child_process_1.spawnSync('npm', ['audit'], {
+                    encoding: 'utf-8'
+                });
+                if (result.error) {
+                    throw result.error;
+                }
+                if (result.status === null) {
+                    throw new Error('the subprocess terminated due to a signal.');
+                }
+                if (result.stderr && result.stderr.length > 0) {
+                    throw new Error(result.stderr);
+                }
+                this.status = result.status;
+                this.stdout = result.stdout;
             }
-            if (result.status === null) {
-                throw new Error('the subprocess terminated due to a signal.');
+            catch (error) {
+                throw error;
             }
-            if (result.stderr && result.stderr.length > 0) {
-                throw new Error(result.stderr);
-            }
-            this.status = result.status;
-            this.stdout = result.stdout;
         });
     }
     foundVulnerability() {
@@ -5866,7 +5871,7 @@ module.exports = require("assert");
 /***/ 361:
 /***/ (function(module) {
 
-module.exports = {"_from":"axios","_id":"axios@0.19.0","_inBundle":false,"_integrity":"sha512-1uvKqKQta3KBxIz14F2v06AEHZ/dIoeKfbTRkK1E5oqjDnuEerLmYTgJB5AiQZHJcljpg1TuRzdjDR06qNk0DQ==","_location":"/axios","_phantomChildren":{},"_requested":{"type":"tag","registry":true,"raw":"axios","name":"axios","escapedName":"axios","rawSpec":"","saveSpec":null,"fetchSpec":"latest"},"_requiredBy":["#USER","/"],"_resolved":"https://registry.npmjs.org/axios/-/axios-0.19.0.tgz","_shasum":"8e09bff3d9122e133f7b8101c8fbdd00ed3d2ab8","_spec":"axios","_where":"/Users/naoki/go/src/github.com/oke-py/npm-audit-action","author":{"name":"Matt Zabriskie"},"browser":{"./lib/adapters/http.js":"./lib/adapters/xhr.js"},"bugs":{"url":"https://github.com/axios/axios/issues"},"bundleDependencies":false,"bundlesize":[{"path":"./dist/axios.min.js","threshold":"5kB"}],"dependencies":{"follow-redirects":"1.5.10","is-buffer":"^2.0.2"},"deprecated":false,"description":"Promise based HTTP client for the browser and node.js","devDependencies":{"bundlesize":"^0.17.0","coveralls":"^3.0.0","es6-promise":"^4.2.4","grunt":"^1.0.2","grunt-banner":"^0.6.0","grunt-cli":"^1.2.0","grunt-contrib-clean":"^1.1.0","grunt-contrib-watch":"^1.0.0","grunt-eslint":"^20.1.0","grunt-karma":"^2.0.0","grunt-mocha-test":"^0.13.3","grunt-ts":"^6.0.0-beta.19","grunt-webpack":"^1.0.18","istanbul-instrumenter-loader":"^1.0.0","jasmine-core":"^2.4.1","karma":"^1.3.0","karma-chrome-launcher":"^2.2.0","karma-coverage":"^1.1.1","karma-firefox-launcher":"^1.1.0","karma-jasmine":"^1.1.1","karma-jasmine-ajax":"^0.1.13","karma-opera-launcher":"^1.0.0","karma-safari-launcher":"^1.0.0","karma-sauce-launcher":"^1.2.0","karma-sinon":"^1.0.5","karma-sourcemap-loader":"^0.3.7","karma-webpack":"^1.7.0","load-grunt-tasks":"^3.5.2","minimist":"^1.2.0","mocha":"^5.2.0","sinon":"^4.5.0","typescript":"^2.8.1","url-search-params":"^0.10.0","webpack":"^1.13.1","webpack-dev-server":"^1.14.1"},"homepage":"https://github.com/axios/axios","keywords":["xhr","http","ajax","promise","node"],"license":"MIT","main":"index.js","name":"axios","repository":{"type":"git","url":"git+https://github.com/axios/axios.git"},"scripts":{"build":"NODE_ENV=production grunt build","coveralls":"cat coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js","examples":"node ./examples/server.js","fix":"eslint --fix lib/**/*.js","postversion":"git push && git push --tags","preversion":"npm test","start":"node ./sandbox/server.js","test":"grunt test && bundlesize","version":"npm run build && grunt version && git add -A dist && git add CHANGELOG.md bower.json package.json"},"typings":"./index.d.ts","version":"0.19.0"};
+module.exports = {"name":"axios","version":"0.19.0","description":"Promise based HTTP client for the browser and node.js","main":"index.js","scripts":{"test":"grunt test && bundlesize","start":"node ./sandbox/server.js","build":"NODE_ENV=production grunt build","preversion":"npm test","version":"npm run build && grunt version && git add -A dist && git add CHANGELOG.md bower.json package.json","postversion":"git push && git push --tags","examples":"node ./examples/server.js","coveralls":"cat coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js","fix":"eslint --fix lib/**/*.js"},"repository":{"type":"git","url":"https://github.com/axios/axios.git"},"keywords":["xhr","http","ajax","promise","node"],"author":"Matt Zabriskie","license":"MIT","bugs":{"url":"https://github.com/axios/axios/issues"},"homepage":"https://github.com/axios/axios","devDependencies":{"bundlesize":"^0.17.0","coveralls":"^3.0.0","es6-promise":"^4.2.4","grunt":"^1.0.2","grunt-banner":"^0.6.0","grunt-cli":"^1.2.0","grunt-contrib-clean":"^1.1.0","grunt-contrib-watch":"^1.0.0","grunt-eslint":"^20.1.0","grunt-karma":"^2.0.0","grunt-mocha-test":"^0.13.3","grunt-ts":"^6.0.0-beta.19","grunt-webpack":"^1.0.18","istanbul-instrumenter-loader":"^1.0.0","jasmine-core":"^2.4.1","karma":"^1.3.0","karma-chrome-launcher":"^2.2.0","karma-coverage":"^1.1.1","karma-firefox-launcher":"^1.1.0","karma-jasmine":"^1.1.1","karma-jasmine-ajax":"^0.1.13","karma-opera-launcher":"^1.0.0","karma-safari-launcher":"^1.0.0","karma-sauce-launcher":"^1.2.0","karma-sinon":"^1.0.5","karma-sourcemap-loader":"^0.3.7","karma-webpack":"^1.7.0","load-grunt-tasks":"^3.5.2","minimist":"^1.2.0","mocha":"^5.2.0","sinon":"^4.5.0","typescript":"^2.8.1","url-search-params":"^0.10.0","webpack":"^1.13.1","webpack-dev-server":"^1.14.1"},"browser":{"./lib/adapters/http.js":"./lib/adapters/xhr.js"},"typings":"./index.d.ts","dependencies":{"follow-redirects":"1.5.10","is-buffer":"^2.0.2"},"bundlesize":[{"path":"./dist/axios.min.js","threshold":"5kB"}],"_resolved":"https://registry.npmjs.org/axios/-/axios-0.19.0.tgz","_integrity":"sha512-1uvKqKQta3KBxIz14F2v06AEHZ/dIoeKfbTRkK1E5oqjDnuEerLmYTgJB5AiQZHJcljpg1TuRzdjDR06qNk0DQ==","_from":"axios@0.19.0"};
 
 /***/ }),
 
diff --git a/src/audit.ts b/src/audit.ts
index 85a8790..342978a 100644
--- a/src/audit.ts
+++ b/src/audit.ts
@@ -6,22 +6,26 @@ export class Audit {
   private status: number | null = null
 
   public async run(): Promise<void> {
-    const result: SpawnSyncReturns<string> = spawnSync('npm', ['audit'], {
-      encoding: 'utf-8'
-    })
+    try {
+      const result: SpawnSyncReturns<string> = spawnSync('npm', ['audit'], {
+        encoding: 'utf-8'
+      })
 
-    if (result.error) {
-      throw result.error
-    }
-    if (result.status === null) {
-      throw new Error('the subprocess terminated due to a signal.')
-    }
-    if (result.stderr && result.stderr.length > 0) {
-      throw new Error(result.stderr)
-    }
+      if (result.error) {
+        throw result.error
+      }
+      if (result.status === null) {
+        throw new Error('the subprocess terminated due to a signal.')
+      }
+      if (result.stderr && result.stderr.length > 0) {
+        throw new Error(result.stderr)
+      }
 
-    this.status = result.status
-    this.stdout = result.stdout
+      this.status = result.status
+      this.stdout = result.stdout
+    } catch (error) {
+      throw error
+    }
   }
 
   public foundVulnerability(): boolean {