diff --git a/composer.json b/composer.json
index a35c361..5a13e61 100644
--- a/composer.json
+++ b/composer.json
@@ -31,7 +31,7 @@
     "phpstan/extension-installer": "^1.1",
     "phpstan/phpstan": "^0.12",
     "phpstan/phpstan-phpunit": "^0.12",
-    "phpunit/phpunit": "^9.5.25",
+    "phpunit/phpunit": "^9.5.26",
     "slam/phpstan-laminas-framework": "^0.12",
     "squizlabs/php_codesniffer": "^3.7"
   },
diff --git a/tests/TestSuite/CliTest.php b/tests/TestSuite/CliTest.php
index 8bae3c9..a9a33cc 100644
--- a/tests/TestSuite/CliTest.php
+++ b/tests/TestSuite/CliTest.php
@@ -93,4 +93,17 @@ public function testRunWithOptionsMustBeUsedByTheLinter()
             '.test { display: block; }'
         ]));
     }
+
+    public function testRunWithInvalidOptionsFormatShouldReturnAnError()
+    {
+        $this->expectOutputString(
+            "\033[31m/!\ Error: Unable to parse option argument: Syntax error\033[0m" . PHP_EOL .
+                PHP_EOL
+        );
+        $this->assertEquals(1, $this->cli->run([
+            'php-css-lint',
+            '--options={ "allowedIndentationChars":  }',
+            '.test { display: block; }'
+        ]));
+    }
 }