1 files changed, 2 insertions, 3 deletions
diff --git a/composer.json b/composer.json
index 3f616e1..1d80ae0 100644
--- a/composer.json
+++ b/composer.json
@@ -26,11 +26,10 @@
     "source":   "https://github.com/paragonie/constant_time_encoding"
   },
   "require": {
-    "php": "^5.3|^7"
+    "php": "^7"
   },
   "require-dev": {
-    "phpunit/phpunit": "4.*|5.*",
-    "paragonie/random_compat": "^1|^2",
+    "phpunit/phpunit": "^6|^7",
     "vimeo/psalm": "^1"
   },
   "autoload": {