diff --git a/composer.json b/composer.json
index f9e97bf..9a4c7ff 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
     "type": "library",
     "require": {
         "vitexsoftware/ease-core": "^1.49",
-        "phpoffice/phpspreadsheet": "^5.1"
+        "phpoffice/phpspreadsheet": "^5.2"
     },
     "license": "MIT",
     "autoload": {