diff --git a/tests/components/shelly_dimmer/test.esp8266-ard.yaml b/tests/components/shelly_dimmer/test.esp8266-ard.yaml
index dade44d145..31c5731589 100644
--- a/tests/components/shelly_dimmer/test.esp8266-ard.yaml
+++ b/tests/components/shelly_dimmer/test.esp8266-ard.yaml
@@ -1 +1,4 @@
+packages:
+  uart: !include ../../test_build_components/common/uart_115200/esp8266-ard.yaml
+
 <<: !include common.yaml