diff --git a/composer.json b/composer.json
index 869a1bb3..3d3678be 100644
--- a/composer.json
+++ b/composer.json
@@ -16,12 +16,12 @@
     ],
     "require": {
         "php": ">=5.6.4",
-        "doctrine/dbal": "~2.5",
-        "illuminate/support": "~5.1",
-        "illuminate/database": "~5.1",
-        "illuminate/contracts": "~5.1",
-        "illuminate/filesystem": "~5.1",
-        "illuminate/console": "~5.1"
+        "doctrine/dbal": ">=2.5",
+        "illuminate/support": ">=5.1",
+        "illuminate/database": ">=5.1",
+        "illuminate/contracts": ">=5.1",
+        "illuminate/filesystem": ">=5.1",
+        "illuminate/console": ">=5.1"
     },
     "require-dev": {
         "fzaninotto/faker": "~1.4",