diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3e65aa5..812a18b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog - project.linkedcorp.net
 
+## [1.12.3] - 2026-09-14
+### Added
+- Fecha del documento en la lista de Documentos (proyecto/actividad) — el dato ya lo devolvía el
+  backend, solo faltaba mostrarlo junto a quién lo subió y el tamaño.
+
 ## [1.12.2] - 2026-09-14
 ### Fixed
 - El icono nativo de calendario en campos `type="date"`/`time`/`datetime-local` salía negro sobre
diff --git a/VERSION b/VERSION
index 6b89d58..81f3632 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.12.2
+1.12.3
diff --git a/backend/package.json b/backend/package.json
index 2c4b7df..870bb22 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
   "name": "project-linkedcorp-backend",
-  "version": "1.12.2",
+  "version": "1.12.3",
   "private": true,
   "type": "module",
   "main": "src/server.js",
diff --git a/frontend/package.json b/frontend/package.json
index f84c366..8332969 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,7 +1,7 @@
 {
   "name": "project-linkedcorp-frontend",
   "private": true,
-  "version": "1.12.2",
+  "version": "1.12.3",
   "type": "module",
   "scripts": {
     "dev": "vite",
diff --git a/frontend/src/components/AttachmentsPanel.jsx b/frontend/src/components/AttachmentsPanel.jsx
index cd1b581..fab3cb1 100644
--- a/frontend/src/components/AttachmentsPanel.jsx
+++ b/frontend/src/components/AttachmentsPanel.jsx
@@ -47,7 +47,9 @@ export function AttachmentsPanel({ entityType, entityId }) {
           <Paperclip size={15} style={{ opacity: .7 }} />
           <div style={{ flex: 1 }}>
             <div style={{ fontSize: '.82rem' }}>{f.original_name}</div>
-            <div className="text-muted" style={{ fontSize: '.7rem' }}>{f.uploaded_by_name} · {(f.size / 1024).toFixed(0)} KB</div>
+            <div className="text-muted" style={{ fontSize: '.7rem' }}>
+              {f.uploaded_by_name} · {(f.size / 1024).toFixed(0)} KB · {String(f.created_at).slice(0, 10)}
+            </div>
           </div>
           <button className="icon-btn" onClick={() => downloadAttachment(f.id, f.original_name)}><Download size={16} /></button>
           <button className="icon-btn" onClick={() => confirmDelete(f)}><Trash2 size={16} /></button>