diff --git a/frontend/public/service-worker.js b/frontend/public/service-worker.js
index 579b45d..bb0c151 100644
--- a/frontend/public/service-worker.js
+++ b/frontend/public/service-worker.js
@@ -39,6 +39,11 @@ self.addEventListener('activate', (event) => {
 
 // Estrategia: Network First, fallback to Cache
 self.addEventListener('fetch', (event) => {
+  // Solo cachear peticiones GET
+  if (event.request.method !== 'GET') {
+    return;
+  }
+
   event.respondWith(
     fetch(event.request)
       .then((response) => {
diff --git a/frontend/src/Sidebar.jsx b/frontend/src/Sidebar.jsx
index 7e38e3f..618b359 100644
--- a/frontend/src/Sidebar.jsx
+++ b/frontend/src/Sidebar.jsx
@@ -153,7 +153,7 @@ export default function Sidebar({ user, activeTab, setActiveTab, sidebarOpen, se
                 className="w-10 h-10 object-contain bg-white rounded p-1"
               />
               <p className="text-xs text-indigo-300 font-medium hover:text-indigo-200">
-                Ayutec v1.3.9
+                Ayutec v1.4.0
               </p>
             </a>
           </div>