diff --git a/.travis.yml b/.travis.yml
index 451832b..92822ee 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,12 +1,12 @@
 language: php
 
 php:
-  - 5.3
   - 5.4
   - 5.5
   - 5.6
   - 7.0
   - 7.1
+  - 7.2
   - nightly
   - hhvm
 
diff --git a/composer.json b/composer.json
index e9769a3..1395658 100644
--- a/composer.json
+++ b/composer.json
@@ -22,7 +22,7 @@
         }
     },
     "require": {
-        "php": ">=5.3"
+        "php": ">=5.4"
     },
     "require-dev": {
         "phpunit/phpunit": "^4.8.35|^5.7|^6.0",