diff --git a/composer.json b/composer.json
index 93613684a..775a77125 100644
--- a/composer.json
+++ b/composer.json
@@ -9,9 +9,9 @@
         "php": ">=5.4.0",
         "twig/twig": "~1.16",
         "erusev/parsedown-extra": "~0.7",
-        "symfony/yaml": "2.7.1",
-        "symfony/console": "2.7.1",
-        "symfony/event-dispatcher": "2.7.1",
+        "symfony/yaml": "2.7.3",
+        "symfony/console": "2.7.3",
+        "symfony/event-dispatcher": "2.7.3",
         "doctrine/cache": "~1.4",
         "maximebf/debugbar": "dev-master",
         "filp/whoops": "1.2.*@dev",