diff --git a/composer.json b/composer.json
index ecd66b4..0e933e3 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
     "homepage": "https://github.com/madaritech/wp-oop-nonces",
     "keywords": ["WordPress", "Nonces", "OOP"],
     "require": {
-        "php": "=>5.6"
+        "php": ">=5.6"
     },
     "require-dev": {
         "phpunit/phpunit": "5.7.25"