1 files changed, 3 insertions, 1 deletions
diff --git a/composer.json b/composer.json
index f1b2b47..c393ec2 100644
--- a/composer.json
+++ b/composer.json
@@ -13,5 +13,7 @@
             "email": "andrea.chirulescu@gmail.com"
         }
     ],
-    "require": {}
+    "require-dev": {
+        "phpunit/phpunit": "^9.5"
+    }
 }