diff --git a/mos.yml b/mos.yml
index 51b476c..aa0b3c2 100644
--- a/mos.yml
+++ b/mos.yml
@@ -36,6 +36,7 @@ conds:
   - when: build_vars.BOARD == "B-L475E-IOT01A"
     apply:
       libs:
+        - origin: https://github.com/mongoose-os-libs/rpc-service-i2c
         - origin: https://github.com/mongoose-os-libs/rpc-service-wifi
 
 tags: