diff --git a/mos_esp32.yml b/mos_esp32.yml
index a27956f..a7b3306 100644
--- a/mos_esp32.yml
+++ b/mos_esp32.yml
@@ -1,2 +1,3 @@
 libs:
+  - origin: https://github.com/mongoose-os-libs/dns-sd
   - origin: https://github.com/mongoose-os-libs/rpc-service-atca
diff --git a/mos_esp8266.yml b/mos_esp8266.yml
index a27956f..a7b3306 100644
--- a/mos_esp8266.yml
+++ b/mos_esp8266.yml
@@ -1,2 +1,3 @@
 libs:
+  - origin: https://github.com/mongoose-os-libs/dns-sd
   - origin: https://github.com/mongoose-os-libs/rpc-service-atca