diff --git a/.gitea/workflows/windows.yml b/.gitea/workflows/windows.yml
index 9c77a90..954d72f 100644
--- a/.gitea/workflows/windows.yml
+++ b/.gitea/workflows/windows.yml
@@ -59,7 +59,11 @@ jobs:
           target: desktop
           arch: ${{ env.QT_ARCH }}
           modules: 'qtserialport qt5compat'
-          cache: true
+          # cache: true da error ("Caching for 'true' is not supported") en este
+          # runner: install-qt-action reenvia mal ese valor a la accion interna
+          # actions/setup-python. Se desactiva; el propio paso "Cache dependencies"
+          # de este workflow ya cachea el resto de dependencias compiladas.
+          cache: false
 
       # ── 3. Cache built dependencies ───────────────────────────────────────
       - name: Cache dependencies