diff --git a/homeassistant/components/hassio/manifest.json b/homeassistant/components/hassio/manifest.json
index 61ddf4a8262..cdb7764ab86 100644
--- a/homeassistant/components/hassio/manifest.json
+++ b/homeassistant/components/hassio/manifest.json
@@ -6,6 +6,6 @@
   "documentation": "https://www.home-assistant.io/integrations/hassio",
   "iot_class": "local_polling",
   "quality_scale": "internal",
-  "requirements": ["aiohasupervisor==0.4.2"],
+  "requirements": ["aiohasupervisor==0.4.3"],
   "single_config_entry": true
 }
diff --git a/homeassistant/components/hassio/strings.json b/homeassistant/components/hassio/strings.json
index d570c07193f..a0a36a7a4f0 100644
--- a/homeassistant/components/hassio/strings.json
+++ b/homeassistant/components/hassio/strings.json
@@ -211,6 +211,10 @@
       "description": "System is currently unhealthy because Docker is configured incorrectly. For troubleshooting information, select Learn more.",
       "title": "Unhealthy system - Docker misconfigured"
     },
+    "unhealthy_docker_gateway_unprotected": {
+      "description": "System is currently unhealthy because Supervisor was not able to apply firewall protection for the Docker gateway IP. For troubleshooting information, select Learn more.",
+      "title": "Unhealthy system - Docker gateway unprotected"
+    },
     "unhealthy_duplicate_os_installation": {
       "description": "System is currently unhealthy because it has detected multiple Home Assistant OS installations. For troubleshooting information, select Learn more.",
       "title": "Unhealthy system - Duplicate Home Assistant OS installation"
diff --git a/requirements_all.txt b/requirements_all.txt
index ee884b7177a..889621041bb 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -276,7 +276,7 @@ aioguardian==2026.01.1
 aioharmony==0.5.3
 
 # homeassistant.components.hassio
-aiohasupervisor==0.4.2
+aiohasupervisor==0.4.3
 
 # homeassistant.components.home_connect
 aiohomeconnect==0.33.0
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 8fecc58a43f..0edfdc678d4 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -264,7 +264,7 @@ aioguardian==2026.01.1
 aioharmony==0.5.3
 
 # homeassistant.components.hassio
-aiohasupervisor==0.4.2
+aiohasupervisor==0.4.3
 
 # homeassistant.components.home_connect
 aiohomeconnect==0.33.0