diff --git a/README.md b/README.md
index f2d5528..ea2dbab 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,7 @@ data_generator:
 
 More configuration examples are available in the ``Resources\examples`` directory.
 
-If not attribute and family are defined, the product generation will use the available attributes in the PIM DB.
+If no attribute and family are defined, the product generation will use the available attributes in the PIM DB.
 
 How to use the generated attributes and families data
 -----------------------------------------------------
diff --git a/composer.json b/composer.json
index c51789f..c7f7657 100644
--- a/composer.json
+++ b/composer.json
@@ -24,7 +24,7 @@
     ],
     "require": {
         "php": ">=5.4.4",
-        "akeneo/pim-community-dev": "~1.3",
+        "akeneo/pim-community-dev": "1.3.*",
         "doctrine/migrations": "1.0.*@dev",
         "fzaninotto/faker": "1.4.0"
     },