diff --git a/composer.json b/composer.json
index ee50ebc..a60f31e 100644
--- a/composer.json
+++ b/composer.json
@@ -17,7 +17,7 @@
         "ext-dom": "*",
         "ext-libxml": "*",
         "ext-simplexml": "*",
-        "moneyphp/money": "^3.3 || ^4.0",
+        "moneyphp/money": "^4.0",
         "jschaedl/iban-validation": "^2.0"
     },
     "autoload": {
diff --git a/composer.lock b/composer.lock
index caedeac..b689ad1 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "1263145d9df18de98d1e2cf536b8ddc7",
+    "content-hash": "0fbdcc68fff016cc8692f811b8fa5f82",
     "packages": [
         {
             "name": "jschaedl/iban-validation",