diff --git a/composer.json b/composer.json
index 9b8ba6b..01a5c7a 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,7 @@
     "homepage": "https://github.com/trellis-ldp/static-ldp",
     "license": "Apache-2.0",
     "require": {
-        "php": ">=5.6.0",
+        "php": ">=7.1.0",
         "silex/silex": "^2.0",
         "symfony/config": "^3.4",
         "symfony/yaml": "^3.4",