diff --git a/pkgs/servers/home-assistant/component-packages.nix b/pkgs/servers/home-assistant/component-packages.nix
index 2885826325b6..b2fef65e07a5 100644
--- a/pkgs/servers/home-assistant/component-packages.nix
+++ b/pkgs/servers/home-assistant/component-packages.nix
@@ -2,7 +2,7 @@
 # Do not edit!
 
 {
-  version = "2026.6.2";
+  version = "2026.6.3";
   components = {
     "3_day_blinds" =
       ps: with ps; [
diff --git a/pkgs/servers/home-assistant/default.nix b/pkgs/servers/home-assistant/default.nix
index 1c2cc8014607..80cbb9803774 100644
--- a/pkgs/servers/home-assistant/default.nix
+++ b/pkgs/servers/home-assistant/default.nix
@@ -265,7 +265,7 @@ let
   extraBuildInputs = extraPackages python3Packages;
 
   # Don't forget to run update-component-packages.py after updating
-  hassVersion = "2026.6.2";
+  hassVersion = "2026.6.3";
 
 in
 python3Packages.buildPythonApplication rec {
@@ -286,13 +286,13 @@ python3Packages.buildPythonApplication rec {
     owner = "home-assistant";
     repo = "core";
     tag = version;
-    hash = "sha256-wDGXJoo1R2YX2qNRsMYNHm94WCsSHsC7ihCW6w8YAD8=";
+    hash = "sha256-I9vmwlCoxEK3o04e1x5LissX3u0fgxVOu6Uzq88e9kI=";
   };
 
   # Secondary source is pypi sdist for translations
   sdist = fetchPypi {
     inherit pname version;
-    hash = "sha256-XpFnxxa1liRUm8KEoI73t9wAfnsLKC3G56vrgkcIqR0=";
+    hash = "sha256-23tqASXXrhYh1x7Qy+ZR4T7z+XKkhW0Qn6YGM2iNJOk=";
   };
 
   build-system = with python3Packages; [
diff --git a/pkgs/servers/home-assistant/update-component-packages.py b/pkgs/servers/home-assistant/update-component-packages.py
index 8d6c1fb02425..fa4eadd027ba 100755
--- a/pkgs/servers/home-assistant/update-component-packages.py
+++ b/pkgs/servers/home-assistant/update-component-packages.py
@@ -73,6 +73,7 @@ EXTRA_COMPONENT_DEPS = {
 OUR_VERSION_IS_NEWER_THAN = {
     "blinkstick": "1.2.0",
     "gps3": "0.33.3",
+    "ouman-eh-800-api": "0.5.0",
     "proxmoxer": "2.2.0",
     "py-cpuinfo": "9.0.0",
     "pybluez": "0.22",