diff --git a/composer.json b/composer.json
index 1e3d903..2f99fa6 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     "require": {
         "php": ">=5.3.6",
         "symfony/process": ">2.0",
-        "monolog/monolog": "dev-master"
+        "monolog/monolog": "1.0.*"
     },
     "autoload": {
         "psr-0": {