diff --git a/homeassistant/components/neopool/manifest.json b/homeassistant/components/neopool/manifest.json
index e9c76351fab2..922851d9ea7d 100644
--- a/homeassistant/components/neopool/manifest.json
+++ b/homeassistant/components/neopool/manifest.json
@@ -8,5 +8,5 @@
   "iot_class": "local_polling",
   "loggers": ["neopool_modbus"],
   "quality_scale": "platinum",
-  "requirements": ["neopool-modbus==4.8.0"]
+  "requirements": ["neopool-modbus==4.9.0"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index 6c2e6df2b08a..203deb484bc1 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1699,7 +1699,7 @@ nad-receiver==0.4.0
 ndms2-client==0.1.2
 
 # homeassistant.components.neopool
-neopool-modbus==4.8.0
+neopool-modbus==4.9.0
 
 # homeassistant.components.ness_alarm
 nessclient==1.3.1