diff --git a/mos.yml b/mos.yml
index 4a3a983..d85bd16 100644
--- a/mos.yml
+++ b/mos.yml
@@ -31,8 +31,8 @@ config_schema:
   - ["wifi.sta.pass", "marielle"]
   - ["mqtt.enable", true]
   - ["http.enable", true]
-  - ["mqtt.server", "mqtt.ipng.nl:8883"]
-  - ["mqtt.ssl_ca_cert", "mqtt.pem"]
+  - ["mqtt.server", "mqtt.ipng.nl:1883"]
+# - ["mqtt.ssl_ca_cert", "mqtt.pem"]
   - ["rpc.mqtt.enable", true]
   - ["app", "o", {title: "APP settings"}]
   - ["app.hostname", "s", {title: "Device hostname"}]
@@ -44,14 +44,15 @@ config_schema:
   - ["debug.log_udp_addr", "192.168.1.20:1234"]
 
 
-#build_vars:
-#  FLASH_SIZE: 1048576
+build_vars:
+  FLASH_SIZE: 1048576
 
 # List of libraries used by this app, in order of initialisation
 libs:
   - origin: https://github.com/mongoose-os-libs/wifi
   - origin: https://github.com/mongoose-os-libs/http-server
   - origin: https://github.com/mongoose-os-libs/rpc-common
+  - origin: https://github.com/mongoose-os-libs/rpc-uart
   - origin: https://github.com/mongoose-os-libs/rpc-service-config
   - origin: https://github.com/mongoose-os-libs/rpc-service-fs
   - origin: https://github.com/mongoose-os-libs/rpc-mqtt
@@ -60,9 +61,7 @@ libs:
   - origin: https://github.com/mongoose-os-libs/sntp
   - origin: https://github.com/mongoose-os-libs/prometheus-sensors
   - origin: https://github.com/mongoose-os-libs/dht
-  - origin: libs/ota-common
-  - origin: libs/ota-http-client
-  - origin: libs/rpc-service-ota
+  - origin: https://github.com/mongoose-os-libs/rpc-service-ota
 
 # Used by the mos tool to catch mos binaries incompatible with this file format
 manifest_version: 2017-05-18