diff --git a/mos.yml b/mos.yml
index b20edc0..39670e7 100644
--- a/mos.yml
+++ b/mos.yml
@@ -58,6 +58,7 @@ libs:
   - origin: https://github.com/mongoose-os-libs/rpc-ws
   - origin: https://github.com/mongoose-os-libs/mqtt
   - origin: https://github.com/mongoose-os-libs/dht
+  - origin: https://github.com/mongoose-os-libs/sntp
   - origin: /home/pim/src/prometheus-sensors
   - origin: libs/ota-common
   - origin: libs/ota-http-client