diff --git a/homeassistant/components/iaqualink/manifest.json b/homeassistant/components/iaqualink/manifest.json
index a0a38e773f7..6e8ce312ad0 100644
--- a/homeassistant/components/iaqualink/manifest.json
+++ b/homeassistant/components/iaqualink/manifest.json
@@ -6,6 +6,6 @@
   "documentation": "https://www.home-assistant.io/integrations/iaqualink",
   "iot_class": "cloud_polling",
   "loggers": ["iaqualink"],
-  "requirements": ["iaqualink==0.6.0", "h2==4.2.0"],
+  "requirements": ["iaqualink==0.6.0", "h2==4.3.0"],
   "single_config_entry": true
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index d2ada760b2e..0734b7e6bd2 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1112,7 +1112,7 @@ gstreamer-player==1.1.2
 guppy3==3.1.5
 
 # homeassistant.components.iaqualink
-h2==4.2.0
+h2==4.3.0
 
 # homeassistant.components.ffmpeg
 ha-ffmpeg==3.2.2
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index f5f0ba2e606..fa8831cafff 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -973,7 +973,7 @@ gstreamer-player==1.1.2
 guppy3==3.1.5
 
 # homeassistant.components.iaqualink
-h2==4.2.0
+h2==4.3.0
 
 # homeassistant.components.ffmpeg
 ha-ffmpeg==3.2.2