diff --git a/composer.json b/composer.json
index 35c246e..e2125f0 100644
--- a/composer.json
+++ b/composer.json
@@ -17,6 +17,6 @@
     "require": {
         "php": ">=5.6.0",
         "symfony/validator": "2.*",
-        "deblan/csv": "dev-master"
+        "deblan/csv": "1.*"
     }
 }