diff --git a/composer.json b/composer.json
index 5ff973d..a4a0f2b 100644
--- a/composer.json
+++ b/composer.json
@@ -26,7 +26,7 @@
     },
     "require": {
         "php": "^5.4 || ^7.0",
-        "paragonie/random_compat": "^1.0|^2.0",
+        "paragonie/random_compat": "^1.0|^2.0|9.99.99",
         "symfony/polyfill-ctype": "^1.8"
     },
     "require-dev": {