diff --git a/core/modules/system/system.install b/core/modules/system/system.install
index e77caf6..64f9708 100644
--- a/core/modules/system/system.install
+++ b/core/modules/system/system.install
@@ -910,7 +910,7 @@ function system_requirements($phase) {
       'title' => t('Limited Date Range'),
       'value' => t('Your PHP installation has a limited date range.'),
       'description' => t('You are running on a system where PHP is compiled or limited to using 32-bit integers. This will limit the range of dates and timestamps to the years 1901-2038.'),
-      'severity' => REQUIREMENT_INFO,
+      'severity' => REQUIREMENT_WARNING,
     ];
   }