diff --git a/homeassistant/components/decora/__init__.py b/homeassistant/components/decora/__init__.py
index 694ff77fdb3..4ba4fb4dee0 100644
--- a/homeassistant/components/decora/__init__.py
+++ b/homeassistant/components/decora/__init__.py
@@ -1 +1,3 @@
 """The decora component."""
+
+DOMAIN = "decora"
diff --git a/homeassistant/components/decora/light.py b/homeassistant/components/decora/light.py
index a7d14b83aca..d0226a24dcc 100644
--- a/homeassistant/components/decora/light.py
+++ b/homeassistant/components/decora/light.py
@@ -21,7 +21,11 @@ from homeassistant.components.light import (
     LightEntity,
 )
 from homeassistant.const import CONF_API_KEY, CONF_DEVICES, CONF_NAME
+from homeassistant.core import DOMAIN as HOMEASSISTANT_DOMAIN
 from homeassistant.helpers import config_validation as cv
+from homeassistant.helpers.issue_registry import IssueSeverity, create_issue
+
+from . import DOMAIN
 
 if TYPE_CHECKING:
     from homeassistant.core import HomeAssistant
@@ -90,6 +94,21 @@ def setup_platform(
     discovery_info: DiscoveryInfoType | None = None,
 ) -> None:
     """Set up an Decora switch."""
+    create_issue(
+        hass,
+        HOMEASSISTANT_DOMAIN,
+        f"deprecated_system_packages_yaml_integration_{DOMAIN}",
+        breaks_in_ha_version="2025.12.0",
+        is_fixable=False,
+        issue_domain=DOMAIN,
+        severity=IssueSeverity.WARNING,
+        translation_key="deprecated_system_packages_yaml_integration",
+        translation_placeholders={
+            "domain": DOMAIN,
+            "integration_title": "Leviton Decora",
+        },
+    )
+
     lights = []
     for address, device_config in config[CONF_DEVICES].items():
         device = {}
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 6b130b22d09..de91ecfebba 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -561,6 +561,9 @@ bluecurrent-api==1.2.3
 # homeassistant.components.bluemaestro
 bluemaestro-ble==0.4.1
 
+# homeassistant.components.decora
+# bluepy==1.3.0
+
 # homeassistant.components.bluetooth
 bluetooth-adapters==0.21.4
 
@@ -655,6 +658,9 @@ dbus-fast==2.43.0
 # homeassistant.components.debugpy
 debugpy==1.8.14
 
+# homeassistant.components.decora
+# decora==0.6
+
 # homeassistant.components.ecovacs
 deebot-client==13.2.1
 
diff --git a/tests/components/decora/__init__.py b/tests/components/decora/__init__.py
new file mode 100644
index 00000000000..399b353aa0c
--- /dev/null
+++ b/tests/components/decora/__init__.py
@@ -0,0 +1 @@
+"""Decora component tests."""
diff --git a/tests/components/decora/test_light.py b/tests/components/decora/test_light.py
new file mode 100644
index 00000000000..6315d6c3986
--- /dev/null
+++ b/tests/components/decora/test_light.py
@@ -0,0 +1,34 @@
+"""Decora component tests."""
+
+from unittest.mock import Mock, patch
+
+from homeassistant.components.decora import DOMAIN as DECORA_DOMAIN
+from homeassistant.components.light import DOMAIN as PLATFORM_DOMAIN
+from homeassistant.const import CONF_PLATFORM
+from homeassistant.core import DOMAIN as HOMEASSISTANT_DOMAIN, HomeAssistant
+from homeassistant.helpers import issue_registry as ir
+from homeassistant.setup import async_setup_component
+
+
+@patch.dict("sys.modules", {"bluepy": Mock(), "bluepy.btle": Mock(), "decora": Mock()})
+async def test_repair_issue_is_created(
+    hass: HomeAssistant,
+    issue_registry: ir.IssueRegistry,
+) -> None:
+    """Test repair issue is created."""
+    assert await async_setup_component(
+        hass,
+        PLATFORM_DOMAIN,
+        {
+            PLATFORM_DOMAIN: [
+                {
+                    CONF_PLATFORM: DECORA_DOMAIN,
+                }
+            ],
+        },
+    )
+    await hass.async_block_till_done()
+    assert (
+        HOMEASSISTANT_DOMAIN,
+        f"deprecated_system_packages_yaml_integration_{DECORA_DOMAIN}",
+    ) in issue_registry.issues