diff --git a/README.md b/README.md
index 9a003df..82c17b2 100644
--- a/README.md
+++ b/README.md
@@ -6,10 +6,10 @@ PwsServer is a web application skeleton in silex2 managing web services through
 
 ### Requirements
 
-PHP 7.0
-meta-tech\silex 2
-meta-tech\silex-core
-meta-tech\pws-client (to test ws)
+* PHP 7.0
+* meta-tech/silex 2
+* meta-tech/silex-core
+* meta-tech/pws-client (to test ws)
 
 
 ### Install
@@ -23,7 +23,7 @@ Or add the package to your `composer.json`.
 
 ```
 "require": {
-    "meta-tech/pws-server" : "@dev"
+    "meta-tech/pws-server" : "~1.0"
 }
 ```
 
diff --git a/composer.json b/composer.json
index aa4e24f..65a9f8f 100644
--- a/composer.json
+++ b/composer.json
@@ -17,8 +17,6 @@
         }
     },
     "require": {
-        "meta-tech/silex-core" : "@dev"
-    },
-    "prefer-stable": true,
-    "minimum-stability" : "dev"
+        "meta-tech/silex-core" : "~1.0"
+    }
 }