diff --git a/homeassistant/components/waterfurnace/manifest.json b/homeassistant/components/waterfurnace/manifest.json
index f94c80c56f6c..3685bcf91101 100644
--- a/homeassistant/components/waterfurnace/manifest.json
+++ b/homeassistant/components/waterfurnace/manifest.json
@@ -9,5 +9,5 @@
   "iot_class": "cloud_polling",
   "loggers": ["waterfurnace"],
   "quality_scale": "bronze",
-  "requirements": ["waterfurnace==1.7.1"]
+  "requirements": ["waterfurnace==1.9.0"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index b3cb5179d439..31cab16fc191 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -3431,7 +3431,7 @@ wallbox==0.9.0
 watchdog==6.0.0
 
 # homeassistant.components.waterfurnace
-waterfurnace==1.7.1
+waterfurnace==1.9.0
 
 # homeassistant.components.watergate
 watergate-local-api==2026.2.2