diff --git a/homeassistant/components/iron_os/manifest.json b/homeassistant/components/iron_os/manifest.json
index be2309ab3405..fb4d3fc15cda 100644
--- a/homeassistant/components/iron_os/manifest.json
+++ b/homeassistant/components/iron_os/manifest.json
@@ -14,5 +14,5 @@
   "iot_class": "local_polling",
   "loggers": ["pynecil"],
   "quality_scale": "platinum",
-  "requirements": ["pynecil==4.1.1"]
+  "requirements": ["pynecil==4.2.0"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index 980f42174d2b..17fb35213bdb 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2183,7 +2183,7 @@ pymsteams==0.1.12
 pymysensors==0.26.0
 
 # homeassistant.components.iron_os
-pynecil==4.1.1
+pynecil==4.2.0
 
 # homeassistant.components.netgear
 pynetgear==0.10.10
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index d4cab9136ef5..1ce833ab558e 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1822,7 +1822,7 @@ pymonoprice==0.4
 pymysensors==0.26.0
 
 # homeassistant.components.iron_os
-pynecil==4.1.1
+pynecil==4.2.0
 
 # homeassistant.components.netgear
 pynetgear==0.10.10