diff --git a/dev-scripts/agent/notify-developer.sh b/dev-scripts/agent/notify-developer.sh
index 6dbc030..d2a6a71 100755
--- a/dev-scripts/agent/notify-developer.sh
+++ b/dev-scripts/agent/notify-developer.sh
@@ -105,14 +105,23 @@ send_dm() {
   local backoff=2
 
   while [[ $retry -lt $max_retries ]]; do
-    # Crear DM room (o reutilizar existente)
+    # Crear DM room con E2EE habilitado (o reutilizar existente)
     ROOM_RESP=$(curl -sf -X POST "${MATRIX_HOMESERVER}/_matrix/client/v3/createRoom" \
       -H "Authorization: Bearer $TOKEN" \
       -H "Content-Type: application/json" \
       -d "{
         \"is_direct\": true,
         \"invite\": [\"${user_id}\"],
-        \"preset\": \"trusted_private_chat\"
+        \"preset\": \"trusted_private_chat\",
+        \"initial_state\": [
+          {
+            \"type\": \"m.room.encryption\",
+            \"state_key\": \"\",
+            \"content\": {
+              \"algorithm\": \"m.megolm.v1.aes-sha2\"
+            }
+          }
+        ]
       }" 2>&1) || {
       retry=$((retry + 1))
       if [[ $retry -lt $max_retries ]]; then