diff --git a/core/modules/system/system.install b/core/modules/system/system.install
index 6161819..8886896 100644
--- a/core/modules/system/system.install
+++ b/core/modules/system/system.install
@@ -90,6 +90,7 @@ function system_requirements($phase) {
     'hash',
     'json',
     'pcre',
+    'php_fileinfo',
     'pdo',
     'session',
     'SimpleXML',