diff --git a/src/cli.ts b/src/cli.ts
index 8432a35b..4427899f 100644
--- a/src/cli.ts
+++ b/src/cli.ts
@@ -13,6 +13,7 @@
  * this program. If not, see <https://www.gnu.org/licenses/>.
  */
 import chalk from 'chalk';
+import {execSync} from 'child_process';
 import * as commander from 'commander';
 import {copyFileSync, existsSync, readFileSync, writeFileSync} from 'fs';
 import {resolve, sep} from 'path';
@@ -168,6 +169,27 @@ Object.keys(SCRIPTS).forEach((scriptName) => {
   }
 });
 
+const execBuffer = execSync('git log --format=\'%aN\' | sort -u');
+for (let author of execBuffer.toString().split('\n')) {
+  author = author.trim();
+
+  if (author === '') {
+    continue;
+  }
+
+  let authorIsAttributed = false;
+
+  authorIsAttributed = authorIsAttributed
+    || (typeof packageJson.author === 'string' && packageJson.author.indexOf(author) >= 0)
+    || (Array.isArray(packageJson.contributors) && packageJson.contributors.find((contributor: string) => {
+      return contributor.indexOf(author) >= 0;
+    }));
+
+  if (!authorIsAttributed) {
+    consoleInfo(`'${author}' should be attributed as author or contributor.`);
+  }
+}
+
 // check CI config if it exists
 const pathToCiConfig = resolve(path, '.gitlab-ci.yml');
 if (existsSync(pathToCiConfig)) {