diff --git a/coinmanager/coinc/static/coinc/modules/cookie.mjs b/coinmanager/coinc/static/coinc/modules/cookie.mjs
index 36a127a..517c283 100644
--- a/coinmanager/coinc/static/coinc/modules/cookie.mjs
+++ b/coinmanager/coinc/static/coinc/modules/cookie.mjs
@@ -33,8 +33,8 @@ class Cookie {
 
     let date = new Date();
     date.setTime(date.getTime() + (expire_days * 24 * 60 * 60 * 1000));
-    let expires = 'expires=' + date.toUTCString();
-    document.cookie = name + '=' + value + ';' + expires + ';path=' + path;
+    let expires = date.toUTCString();
+    document.cookie = name + '=' + value + '; Expires=' + expires + '; Path=' + path + '; SameSite=Strict';
   }