diff --git a/dist/setup/index.js b/dist/setup/index.js
index 19df95db3..f4d7e0792 100644
--- a/dist/setup/index.js
+++ b/dist/setup/index.js
@@ -6580,6 +6580,8 @@ var __importDefault = (this && this.__importDefault) || function (mod) {
 };
 Object.defineProperty(exports, "__esModule", { value: true });
 const core = __importStar(__webpack_require__(470));
+const exec = __importStar(__webpack_require__(986));
+const io = __importStar(__webpack_require__(1));
 const installer = __importStar(__webpack_require__(923));
 const fs_1 = __importDefault(__webpack_require__(747));
 const auth = __importStar(__webpack_require__(749));
@@ -6587,6 +6589,14 @@ const path = __importStar(__webpack_require__(622));
 const cache_restore_1 = __webpack_require__(409);
 const cache_utils_1 = __webpack_require__(570);
 const os = __webpack_require__(87);
+function execIfExists(commandLine, args) {
+    return __awaiter(this, void 0, void 0, function* () {
+        const path = yield io.which(commandLine);
+        if (path) {
+            yield exec.exec(commandLine, args);
+        }
+    });
+}
 function run() {
     return __awaiter(this, void 0, void 0, function* () {
         try {
@@ -6625,6 +6635,8 @@ function run() {
             core.info(`##[add-matcher]${path.join(matchersPath, 'tsc.json')}`);
             core.info(`##[add-matcher]${path.join(matchersPath, 'eslint-stylish.json')}`);
             core.info(`##[add-matcher]${path.join(matchersPath, 'eslint-compact.json')}`);
+            yield execIfExists('npm', ['--version']);
+            yield execIfExists('yarn', ['--version']);
         }
         catch (err) {
             core.setFailed(err.message);
@@ -8338,7 +8350,7 @@ module.exports = require("timers");
 /* 215 */
 /***/ (function(module) {
 
-module.exports = {"name":"@octokit/rest","version":"16.38.1","publishConfig":{"access":"public"},"description":"GitHub REST API client for Node.js","keywords":["octokit","github","rest","api-client"],"author":"Gregor Martynus (https://github.com/gr2m)","contributors":[{"name":"Mike de Boer","email":"info@mikedeboer.nl"},{"name":"Fabian Jakobs","email":"fabian@c9.io"},{"name":"Joe Gallo","email":"joe@brassafrax.com"},{"name":"Gregor Martynus","url":"https://github.com/gr2m"}],"repository":"https://github.com/octokit/rest.js","dependencies":{"@octokit/auth-token":"^2.4.0","@octokit/request":"^5.2.0","@octokit/request-error":"^1.0.2","atob-lite":"^2.0.0","before-after-hook":"^2.0.0","btoa-lite":"^1.0.0","deprecation":"^2.0.0","lodash.get":"^4.4.2","lodash.set":"^4.3.2","lodash.uniq":"^4.5.0","octokit-pagination-methods":"^1.1.0","once":"^1.4.0","universal-user-agent":"^4.0.0"},"devDependencies":{"@gimenete/type-writer":"^0.1.3","@octokit/auth":"^1.1.1","@octokit/fixtures-server":"^5.0.6","@octokit/graphql":"^4.2.0","@types/node":"^13.1.0","bundlesize":"^0.18.0","chai":"^4.1.2","compression-webpack-plugin":"^3.1.0","cypress":"^3.0.0","glob":"^7.1.2","http-proxy-agent":"^3.0.0","lodash.camelcase":"^4.3.0","lodash.merge":"^4.6.1","lodash.upperfirst":"^4.3.1","mkdirp":"^0.5.1","mocha":"^6.0.0","mustache":"^4.0.0","nock":"^11.3.3","npm-run-all":"^4.1.2","nyc":"^15.0.0","prettier":"^1.14.2","proxy":"^1.0.0","semantic-release":"^16.0.0","sinon":"^8.0.0","sinon-chai":"^3.0.0","sort-keys":"^4.0.0","string-to-arraybuffer":"^1.0.0","string-to-jsdoc-comment":"^1.0.0","typescript":"^3.3.1","webpack":"^4.0.0","webpack-bundle-analyzer":"^3.0.0","webpack-cli":"^3.0.0"},"types":"index.d.ts","scripts":{"coverage":"nyc report --reporter=html && open coverage/index.html","lint":"prettier --check '{lib,plugins,scripts,test}/**/*.{js,json,ts}' 'docs/*.{js,json}' 'docs/src/**/*' index.js README.md package.json","lint:fix":"prettier --write '{lib,plugins,scripts,test}/**/*.{js,json,ts}' 'docs/*.{js,json}' 'docs/src/**/*' index.js README.md package.json","pretest":"npm run -s lint","test":"nyc mocha test/mocha-node-setup.js \"test/*/**/*-test.js\"","test:browser":"cypress run --browser chrome","build":"npm-run-all build:*","build:ts":"npm run -s update-endpoints:typescript","prebuild:browser":"mkdirp dist/","build:browser":"npm-run-all build:browser:*","build:browser:development":"webpack --mode development --entry . --output-library=Octokit --output=./dist/octokit-rest.js --profile --json > dist/bundle-stats.json","build:browser:production":"webpack --mode production --entry . --plugin=compression-webpack-plugin --output-library=Octokit --output-path=./dist --output-filename=octokit-rest.min.js --devtool source-map","generate-bundle-report":"webpack-bundle-analyzer dist/bundle-stats.json --mode=static --no-open --report dist/bundle-report.html","update-endpoints":"npm-run-all update-endpoints:*","update-endpoints:fetch-json":"node scripts/update-endpoints/fetch-json","update-endpoints:code":"node scripts/update-endpoints/code","update-endpoints:typescript":"node scripts/update-endpoints/typescript","prevalidate:ts":"npm run -s build:ts","validate:ts":"tsc --target es6 --noImplicitAny index.d.ts","postvalidate:ts":"tsc --noEmit --target es6 test/typescript-validate.ts","start-fixtures-server":"octokit-fixtures-server"},"license":"MIT","files":["index.js","index.d.ts","lib","plugins"],"nyc":{"ignore":["test"]},"release":{"publish":["@semantic-release/npm",{"path":"@semantic-release/github","assets":["dist/*","!dist/*.map.gz"]}]},"bundlesize":[{"path":"./dist/octokit-rest.min.js.gz","maxSize":"33 kB"}]};
+module.exports = {"_args":[["@octokit/rest@16.38.1","/Users/mateuszburzynskiprev/Desktop/setup-node"]],"_from":"@octokit/rest@16.38.1","_id":"@octokit/rest@16.38.1","_inBundle":false,"_integrity":"sha512-zyNFx+/Bd1EXt7LQjfrc6H4wryBQ/oDuZeZhGMBSFr1eMPFDmpEweFQR3R25zjKwBQpDY7L5GQO6A3XSaOfV1w==","_location":"/@octokit/rest","_phantomChildren":{"os-name":"3.1.0"},"_requested":{"type":"version","registry":true,"raw":"@octokit/rest@16.38.1","name":"@octokit/rest","escapedName":"@octokit%2frest","scope":"@octokit","rawSpec":"16.38.1","saveSpec":null,"fetchSpec":"16.38.1"},"_requiredBy":["/@actions/github"],"_resolved":"https://registry.npmjs.org/@octokit/rest/-/rest-16.38.1.tgz","_spec":"16.38.1","_where":"/Users/mateuszburzynskiprev/Desktop/setup-node","author":{"name":"Gregor Martynus","url":"https://github.com/gr2m"},"bugs":{"url":"https://github.com/octokit/rest.js/issues"},"bundlesize":[{"path":"./dist/octokit-rest.min.js.gz","maxSize":"33 kB"}],"contributors":[{"name":"Mike de Boer","email":"info@mikedeboer.nl"},{"name":"Fabian Jakobs","email":"fabian@c9.io"},{"name":"Joe Gallo","email":"joe@brassafrax.com"},{"name":"Gregor Martynus","url":"https://github.com/gr2m"}],"dependencies":{"@octokit/auth-token":"^2.4.0","@octokit/request":"^5.2.0","@octokit/request-error":"^1.0.2","atob-lite":"^2.0.0","before-after-hook":"^2.0.0","btoa-lite":"^1.0.0","deprecation":"^2.0.0","lodash.get":"^4.4.2","lodash.set":"^4.3.2","lodash.uniq":"^4.5.0","octokit-pagination-methods":"^1.1.0","once":"^1.4.0","universal-user-agent":"^4.0.0"},"description":"GitHub REST API client for Node.js","devDependencies":{"@gimenete/type-writer":"^0.1.3","@octokit/auth":"^1.1.1","@octokit/fixtures-server":"^5.0.6","@octokit/graphql":"^4.2.0","@types/node":"^13.1.0","bundlesize":"^0.18.0","chai":"^4.1.2","compression-webpack-plugin":"^3.1.0","cypress":"^3.0.0","glob":"^7.1.2","http-proxy-agent":"^3.0.0","lodash.camelcase":"^4.3.0","lodash.merge":"^4.6.1","lodash.upperfirst":"^4.3.1","mkdirp":"^0.5.1","mocha":"^6.0.0","mustache":"^4.0.0","nock":"^11.3.3","npm-run-all":"^4.1.2","nyc":"^15.0.0","prettier":"^1.14.2","proxy":"^1.0.0","semantic-release":"^16.0.0","sinon":"^8.0.0","sinon-chai":"^3.0.0","sort-keys":"^4.0.0","string-to-arraybuffer":"^1.0.0","string-to-jsdoc-comment":"^1.0.0","typescript":"^3.3.1","webpack":"^4.0.0","webpack-bundle-analyzer":"^3.0.0","webpack-cli":"^3.0.0"},"files":["index.js","index.d.ts","lib","plugins"],"homepage":"https://github.com/octokit/rest.js#readme","keywords":["octokit","github","rest","api-client"],"license":"MIT","name":"@octokit/rest","nyc":{"ignore":["test"]},"publishConfig":{"access":"public"},"release":{"publish":["@semantic-release/npm",{"path":"@semantic-release/github","assets":["dist/*","!dist/*.map.gz"]}]},"repository":{"type":"git","url":"git+https://github.com/octokit/rest.js.git"},"scripts":{"build":"npm-run-all build:*","build:browser":"npm-run-all build:browser:*","build:browser:development":"webpack --mode development --entry . --output-library=Octokit --output=./dist/octokit-rest.js --profile --json > dist/bundle-stats.json","build:browser:production":"webpack --mode production --entry . --plugin=compression-webpack-plugin --output-library=Octokit --output-path=./dist --output-filename=octokit-rest.min.js --devtool source-map","build:ts":"npm run -s update-endpoints:typescript","coverage":"nyc report --reporter=html && open coverage/index.html","generate-bundle-report":"webpack-bundle-analyzer dist/bundle-stats.json --mode=static --no-open --report dist/bundle-report.html","lint":"prettier --check '{lib,plugins,scripts,test}/**/*.{js,json,ts}' 'docs/*.{js,json}' 'docs/src/**/*' index.js README.md package.json","lint:fix":"prettier --write '{lib,plugins,scripts,test}/**/*.{js,json,ts}' 'docs/*.{js,json}' 'docs/src/**/*' index.js README.md package.json","postvalidate:ts":"tsc --noEmit --target es6 test/typescript-validate.ts","prebuild:browser":"mkdirp dist/","pretest":"npm run -s lint","prevalidate:ts":"npm run -s build:ts","start-fixtures-server":"octokit-fixtures-server","test":"nyc mocha test/mocha-node-setup.js \"test/*/**/*-test.js\"","test:browser":"cypress run --browser chrome","update-endpoints":"npm-run-all update-endpoints:*","update-endpoints:code":"node scripts/update-endpoints/code","update-endpoints:fetch-json":"node scripts/update-endpoints/fetch-json","update-endpoints:typescript":"node scripts/update-endpoints/typescript","validate:ts":"tsc --target es6 --noImplicitAny index.d.ts"},"types":"index.d.ts","version":"16.38.1"};
 
 /***/ }),
 /* 216 */,
@@ -13477,7 +13489,7 @@ function expand(str, isTop) {
 /* 314 */
 /***/ (function(module) {
 
-module.exports = {"name":"@octokit/graphql","version":"2.1.3","publishConfig":{"access":"public"},"description":"GitHub GraphQL API client for browsers and Node","main":"index.js","scripts":{"prebuild":"mkdirp dist/","build":"npm-run-all build:*","build:development":"webpack --mode development --entry . --output-library=octokitGraphql --output=./dist/octokit-graphql.js --profile --json > dist/bundle-stats.json","build:production":"webpack --mode production --entry . --plugin=compression-webpack-plugin --output-library=octokitGraphql --output-path=./dist --output-filename=octokit-graphql.min.js --devtool source-map","bundle-report":"webpack-bundle-analyzer dist/bundle-stats.json --mode=static --no-open --report dist/bundle-report.html","coverage":"nyc report --reporter=html && open coverage/index.html","coverage:upload":"nyc report --reporter=text-lcov | coveralls","pretest":"standard","test":"nyc mocha test/*-test.js","test:browser":"cypress run --browser chrome"},"repository":{"type":"git","url":"https://github.com/octokit/graphql.js.git"},"keywords":["octokit","github","api","graphql"],"author":"Gregor Martynus (https://github.com/gr2m)","license":"MIT","bugs":{"url":"https://github.com/octokit/graphql.js/issues"},"homepage":"https://github.com/octokit/graphql.js#readme","dependencies":{"@octokit/request":"^5.0.0","universal-user-agent":"^2.0.3"},"devDependencies":{"chai":"^4.2.0","compression-webpack-plugin":"^2.0.0","coveralls":"^3.0.3","cypress":"^3.1.5","fetch-mock":"^7.3.1","mkdirp":"^0.5.1","mocha":"^6.0.0","npm-run-all":"^4.1.3","nyc":"^14.0.0","semantic-release":"^15.13.3","simple-mock":"^0.8.0","standard":"^12.0.1","webpack":"^4.29.6","webpack-bundle-analyzer":"^3.1.0","webpack-cli":"^3.2.3"},"bundlesize":[{"path":"./dist/octokit-graphql.min.js.gz","maxSize":"5KB"}],"release":{"publish":["@semantic-release/npm",{"path":"@semantic-release/github","assets":["dist/*","!dist/*.map.gz"]}]},"standard":{"globals":["describe","before","beforeEach","afterEach","after","it","expect"]},"files":["lib"]};
+module.exports = {"_args":[["@octokit/graphql@2.1.3","/Users/mateuszburzynskiprev/Desktop/setup-node"]],"_from":"@octokit/graphql@2.1.3","_id":"@octokit/graphql@2.1.3","_inBundle":false,"_integrity":"sha512-XoXJqL2ondwdnMIW3wtqJWEwcBfKk37jO/rYkoxNPEVeLBDGsGO1TCWggrAlq3keGt/O+C/7VepXnukUxwt5vA==","_location":"/@octokit/graphql","_phantomChildren":{},"_requested":{"type":"version","registry":true,"raw":"@octokit/graphql@2.1.3","name":"@octokit/graphql","escapedName":"@octokit%2fgraphql","scope":"@octokit","rawSpec":"2.1.3","saveSpec":null,"fetchSpec":"2.1.3"},"_requiredBy":["/@actions/github"],"_resolved":"https://registry.npmjs.org/@octokit/graphql/-/graphql-2.1.3.tgz","_spec":"2.1.3","_where":"/Users/mateuszburzynskiprev/Desktop/setup-node","author":{"name":"Gregor Martynus","url":"https://github.com/gr2m"},"bugs":{"url":"https://github.com/octokit/graphql.js/issues"},"bundlesize":[{"path":"./dist/octokit-graphql.min.js.gz","maxSize":"5KB"}],"dependencies":{"@octokit/request":"^5.0.0","universal-user-agent":"^2.0.3"},"description":"GitHub GraphQL API client for browsers and Node","devDependencies":{"chai":"^4.2.0","compression-webpack-plugin":"^2.0.0","coveralls":"^3.0.3","cypress":"^3.1.5","fetch-mock":"^7.3.1","mkdirp":"^0.5.1","mocha":"^6.0.0","npm-run-all":"^4.1.3","nyc":"^14.0.0","semantic-release":"^15.13.3","simple-mock":"^0.8.0","standard":"^12.0.1","webpack":"^4.29.6","webpack-bundle-analyzer":"^3.1.0","webpack-cli":"^3.2.3"},"files":["lib"],"homepage":"https://github.com/octokit/graphql.js#readme","keywords":["octokit","github","api","graphql"],"license":"MIT","main":"index.js","name":"@octokit/graphql","publishConfig":{"access":"public"},"release":{"publish":["@semantic-release/npm",{"path":"@semantic-release/github","assets":["dist/*","!dist/*.map.gz"]}]},"repository":{"type":"git","url":"git+https://github.com/octokit/graphql.js.git"},"scripts":{"build":"npm-run-all build:*","build:development":"webpack --mode development --entry . --output-library=octokitGraphql --output=./dist/octokit-graphql.js --profile --json > dist/bundle-stats.json","build:production":"webpack --mode production --entry . --plugin=compression-webpack-plugin --output-library=octokitGraphql --output-path=./dist --output-filename=octokit-graphql.min.js --devtool source-map","bundle-report":"webpack-bundle-analyzer dist/bundle-stats.json --mode=static --no-open --report dist/bundle-report.html","coverage":"nyc report --reporter=html && open coverage/index.html","coverage:upload":"nyc report --reporter=text-lcov | coveralls","prebuild":"mkdirp dist/","pretest":"standard","test":"nyc mocha test/*-test.js","test:browser":"cypress run --browser chrome"},"standard":{"globals":["describe","before","beforeEach","afterEach","after","it","expect"]},"version":"2.1.3"};
 
 /***/ }),
 /* 315 */,
diff --git a/src/main.ts b/src/main.ts
index 3c5661b55..9bde5d454 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,4 +1,6 @@
 import * as core from '@actions/core';
+import * as exec from '@actions/exec';
+import * as io from '@actions/io';
 import * as installer from './installer';
 import fs from 'fs';
 import * as auth from './authutil';
@@ -7,6 +9,13 @@ import {restoreCache} from './cache-restore';
 import {isGhes, isCacheFeatureAvailable} from './cache-utils';
 import os = require('os');
 
+async function execIfExists(commandLine: string, args?: string[]) {
+  const path = await io.which(commandLine);
+  if (path) {
+    await exec.exec(commandLine, args);
+  }
+}
+
 export async function run() {
   try {
     //
@@ -58,6 +67,9 @@ export async function run() {
     core.info(
       `##[add-matcher]${path.join(matchersPath, 'eslint-compact.json')}`
     );
+
+    await execIfExists('npm', ['--version']);
+    await execIfExists('yarn', ['--version']);
   } catch (err) {
     core.setFailed(err.message);
   }