diff --git a/homeassistant/components/airnow/manifest.json b/homeassistant/components/airnow/manifest.json
index 68efb618a2a..28dada485b2 100644
--- a/homeassistant/components/airnow/manifest.json
+++ b/homeassistant/components/airnow/manifest.json
@@ -6,5 +6,5 @@
   "documentation": "https://www.home-assistant.io/integrations/airnow",
   "iot_class": "cloud_polling",
   "loggers": ["pyairnow"],
-  "requirements": ["pyairnow==1.1.0"]
+  "requirements": ["pyairnow==1.2.1"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index 2ddd17b85cc..dc9282b0b47 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1494,7 +1494,7 @@ pyaehw4a1==0.3.9
 pyaftership==21.11.0
 
 # homeassistant.components.airnow
-pyairnow==1.1.0
+pyairnow==1.2.1
 
 # homeassistant.components.airvisual
 # homeassistant.components.airvisual_pro
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index fbb8c8b0ca8..aa5ebe9ca3e 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1088,7 +1088,7 @@ py_nextbusnext==0.1.5
 pyaehw4a1==0.3.9
 
 # homeassistant.components.airnow
-pyairnow==1.1.0
+pyairnow==1.2.1
 
 # homeassistant.components.airvisual
 # homeassistant.components.airvisual_pro