diff --git a/composer.json b/composer.json
index 6106f7e..474de84 100644
--- a/composer.json
+++ b/composer.json
@@ -22,9 +22,9 @@
     },
     "require": {
         "php": ">=5.5.0",
-        "tsugi/lib": ">=0.7.0",
-        "twig/twig": ">=2.13",
-        "silex/silex": "v2.0.4",
+        "tsugi/lib": "dev-master",
+        "twig/twig": "v2.13.1",
+        "silex/silex": "v2.3.0",
         "symfony/translation": "v3.2.7"
     }
 }