diff --git a/src/storageManager.js b/src/storageManager.js
index abda0ccb180..75ad10908dc 100644
--- a/src/storageManager.js
+++ b/src/storageManager.js
@@ -64,7 +64,9 @@ export function newStorageManager({gvlid, moduleName, moduleType} = {}) {
       if (result && result.valid) {
         const domainPortion = (domain && domain !== '') ? ` ;domain=${encodeURIComponent(domain)}` : '';
         const expiresPortion = (expires && expires !== '') ? ` ;expires=${expires}` : '';
-        document.cookie = `${key}=${encodeURIComponent(value)}${expiresPortion}; path=/${domainPortion}${sameSite ? `; SameSite=${sameSite}` : ''}`;
+        const isNone = (sameSite != null && sameSite.toLowerCase() == 'none')
+        const secure = (isNone) ? '; Secure' : '';
+        document.cookie = `${key}=${encodeURIComponent(value)}${expiresPortion}; path=/${domainPortion}${sameSite ? `; SameSite=${sameSite}` : ''}${secure}`;
       }
     }
     if (done && typeof done === 'function') {