diff --git a/tests/Reader/ComposerTest.php b/tests/Reader/ComposerTest.php
index aade2a7..5191f39 100644
--- a/tests/Reader/ComposerTest.php
+++ b/tests/Reader/ComposerTest.php
@@ -3,6 +3,7 @@
 use Naneau\ProjectVersioner\Versioner;
 use Naneau\ProjectVersioner\Reader\Composer as ComposerReader;
 use Naneau\ProjectVersioner\Reader\ComposerPackage as ComposerPackageReader;
+use Naneau\ProjectVersioner\Reader\ComposerJson as ComposerJsonReader;
 
 class ComposerTest extends \PHPUnit_Framework_TestCase
 {
@@ -27,4 +28,14 @@ public function testPackageRead()
 
         $this->assertEquals('v2.5.4', $versioner->get($directory));
     }
+
+    public function testComposerJsonRead()
+    {
+        $directory = __DIR__ . '/../projects/composer';
+
+        $readers = array(new ComposerJsonReader);
+        $versioner = new Versioner($readers);
+
+        $this->assertEquals('1.0.0', $versioner->get($directory));
+    }
 }
diff --git a/tests/projects/composer/composer.json b/tests/projects/composer/composer.json
new file mode 100644
index 0000000..e59b9ac
--- /dev/null
+++ b/tests/projects/composer/composer.json
@@ -0,0 +1,24 @@
+{
+    "name": "naneau/project-versioner",
+    "description": "A tool to maintain project/sub-project versions based on Composer, file mtimes, etc.",
+    "license": "MIT",
+    "version": "1.0.0",
+    "authors": [
+        {
+            "name": "Maurice Fonk",
+            "email": "maurice@naneau.net"
+        }
+    ],
+
+    "autoload": {
+        "psr-4": {"Naneau\\ProjectVersioner\\": "src/Naneau/ProjectVersioner/"}
+    },
+
+    "minimum-stability": "stable",
+    "require": {
+        "symfony/finder": "~2.5"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "~4.2"
+    }
+}