1 files changed, 5 insertions, 5 deletions

diff --git a/application/History.php b/application/History.php
index 1be955c5..d230f39d 100644
--- a/application/History.php
+++ b/application/History.php
@@ -32,27 +32,27 @@ class History
     /**
      * @var string Action key: a new link has been created.
      */
-    const CREATED = 'CREATED';
+    public const CREATED = 'CREATED';
 
     /**
      * @var string Action key: a link has been updated.
      */
-    const UPDATED = 'UPDATED';
+    public const UPDATED = 'UPDATED';
 
     /**
      * @var string Action key: a link has been deleted.
      */
-    const DELETED = 'DELETED';
+    public const DELETED = 'DELETED';
 
     /**
      * @var string Action key: settings have been updated.
      */
-    const SETTINGS = 'SETTINGS';
+    public const SETTINGS = 'SETTINGS';
 
     /**
      * @var string Action key: a bulk import has been processed.
      */
-    const IMPORT = 'IMPORT';
+    public const IMPORT = 'IMPORT';
 
     /**
      * @var string History file path.