diff --git a/homeassistant/components/prometheus/manifest.json b/homeassistant/components/prometheus/manifest.json
index 5bf8574bec6..9b4df619fb5 100644
--- a/homeassistant/components/prometheus/manifest.json
+++ b/homeassistant/components/prometheus/manifest.json
@@ -3,6 +3,6 @@
   "name": "Prometheus",
   "documentation": "https://www.home-assistant.io/integrations/prometheus",
   "requirements": ["prometheus_client==0.7.1"],
-  "dependencies": ["http", "humidifier"],
+  "dependencies": ["http"],
   "codeowners": ["@knyar"]
 }
diff --git a/script/hassfest/dependencies.py b/script/hassfest/dependencies.py
index 2335270dc4a..23afb10a22e 100644
--- a/script/hassfest/dependencies.py
+++ b/script/hassfest/dependencies.py
@@ -98,6 +98,7 @@ ALLOWED_USED_COMPONENTS = {
     "group",
     "hassio",
     "homeassistant",
+    "humidifier",
     "input_boolean",
     "input_datetime",
     "input_number",