diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 0450952..3ab77dd 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -29,7 +29,7 @@ jobs:
         - ./:/app
       options: --user root
     env:
-      TESTS_MQTT_BROKER_HOST: localhost
+      TESTS_MQTT_BROKER_HOST: mosquitto
       TESTS_MQTT_BROKER_PORT: 1883
     steps:
       - uses: actions/checkout@v4