diff --git a/composer.json b/composer.json
index a6de546..83ab3f2 100644
--- a/composer.json
+++ b/composer.json
@@ -12,13 +12,13 @@
     ],
     "require": {
         "php": ">=5.3.0",
-        "container-interop/container-interop": "~1.0",
-        "pimple/pimple": "~3.0"
+        "container-interop/container-interop": "^1.0",
+        "pimple/pimple": "^3.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "~4.0",
-        "squizlabs/php_codesniffer": "~2.2",
-        "satooshi/php-coveralls": "dev-master"
+        "phpunit/phpunit": "^4.0",
+        "squizlabs/php_codesniffer": "^2.2",
+        "satooshi/php-coveralls": "^1.0"
     },
     "autoload": {
         "psr-4": {"Minphp\\Container\\": "src"}
diff --git a/src/ContainerAwareInterface.php b/src/ContainerAwareInterface.php
index 105d4e2..14fd51e 100644
--- a/src/ContainerAwareInterface.php
+++ b/src/ContainerAwareInterface.php
@@ -13,11 +13,4 @@ interface ContainerAwareInterface
      * @param Minphp\Container\ContainerInterface $container
      */
     public function setContainer(ContainerInterface $container = null);
-
-    /**
-     * Fetches a container
-     *
-     * @return Minphp\Container\ContainerInterface
-     */
-    public function getContainer();
 }