1 files changed, 5 insertions, 0 deletions
diff --git a/composer.json b/composer.json
index 1cdee4582..95d401e24 100644
--- a/composer.json
+++ b/composer.json
@@ -15,6 +15,11 @@
         "aziraphale/email-address-validator": "^2",
         "marcusschwarz/lesserphp": "^0.5.1"
     },
+    "config": {
+        "platform": {
+            "php": "5.6"
+        }
+    },
     "suggest": {
         "squizlabs/php_codesniffer": "PHP_CodeSniffer tokenizes PHP, JavaScript and CSS files and detects violations of a defined set of coding standards.",
         "phpunit/phpunit": "Allows automated tests to be run without system-wide install."