diff --git a/.travis.yml b/.travis.yml
index 00c213b..bdb7152 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ php:
   - 5.6
   - 7.0
   - 7.1
+  - 7.2
   - hhvm
 
 before_script:
diff --git a/composer.json b/composer.json
index 515f66e..633612b 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
         }
     ],
     "require": {
-        "php": ">=5.4.0",
+        "php": ">=5.6.4",
         "illuminate/support": "5.4.*|5.5.*|5.6.*",
         "nesbot/carbon": "1.*",
 	    "illuminate/database": "5.4.*|5.5.*|5.6.*",