diff --git a/core/composer.lock b/core/composer.lock
index e6941b60d3..79d7d1ad72 100644
--- a/core/composer.lock
+++ b/core/composer.lock
@@ -4490,16 +4490,16 @@
         },
         {
             "name": "phpoffice/phpspreadsheet",
-            "version": "1.30.5",
+            "version": "1.30.6",
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHPOffice/PhpSpreadsheet.git",
-                "reference": "97bcabd32a64924688487dcd64aceaf158affb5c"
+                "reference": "a416375ffc8bf5b661c1bb4e6c60d8f3fddbe5ce"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHPOffice/PhpSpreadsheet/zipball/97bcabd32a64924688487dcd64aceaf158affb5c",
-                "reference": "97bcabd32a64924688487dcd64aceaf158affb5c",
+                "url": "https://api.github.com/repos/PHPOffice/PhpSpreadsheet/zipball/a416375ffc8bf5b661c1bb4e6c60d8f3fddbe5ce",
+                "reference": "a416375ffc8bf5b661c1bb4e6c60d8f3fddbe5ce",
                 "shasum": ""
             },
             "require": {
@@ -4592,9 +4592,9 @@
             ],
             "support": {
                 "issues": "https://github.com/PHPOffice/PhpSpreadsheet/issues",
-                "source": "https://github.com/PHPOffice/PhpSpreadsheet/tree/1.30.5"
+                "source": "https://github.com/PHPOffice/PhpSpreadsheet/tree/1.30.6"
             },
-            "time": "2026-05-31T05:13:11+00:00"
+            "time": "2026-07-12T19:59:31+00:00"
         },
         {
             "name": "phpseclib/phpseclib",