diff --git a/homeassistant/components/habitica/binary_sensor.py b/homeassistant/components/habitica/binary_sensor.py
index bf42348e2b8..5e3040e0606 100644
--- a/homeassistant/components/habitica/binary_sensor.py
+++ b/homeassistant/components/habitica/binary_sensor.py
@@ -19,6 +19,8 @@ from .const import ASSETS_URL
 from .entity import HabiticaBase
 from .types import HabiticaConfigEntry
 
+PARALLEL_UPDATES = 1
+
 
 @dataclass(kw_only=True, frozen=True)
 class HabiticaBinarySensorEntityDescription(BinarySensorEntityDescription):
diff --git a/homeassistant/components/habitica/calendar.py b/homeassistant/components/habitica/calendar.py
index e890dfa9123..4a9b1579d3a 100644
--- a/homeassistant/components/habitica/calendar.py
+++ b/homeassistant/components/habitica/calendar.py
@@ -26,6 +26,8 @@ from .coordinator import HabiticaDataUpdateCoordinator
 from .entity import HabiticaBase
 from .util import build_rrule, get_recurrence_rule
 
+PARALLEL_UPDATES = 1
+
 
 class HabiticaCalendar(StrEnum):
     """Habitica calendars."""
diff --git a/homeassistant/components/habitica/image.py b/homeassistant/components/habitica/image.py
index 27b406c475c..f1dbbc64d41 100644
--- a/homeassistant/components/habitica/image.py
+++ b/homeassistant/components/habitica/image.py
@@ -16,6 +16,8 @@ from . import HabiticaConfigEntry
 from .coordinator import HabiticaDataUpdateCoordinator
 from .entity import HabiticaBase
 
+PARALLEL_UPDATES = 1
+
 
 class HabiticaImageEntity(StrEnum):
     """Image entities."""
diff --git a/homeassistant/components/habitica/quality_scale.yaml b/homeassistant/components/habitica/quality_scale.yaml
index f1023e3d0dc..195a36aa547 100644
--- a/homeassistant/components/habitica/quality_scale.yaml
+++ b/homeassistant/components/habitica/quality_scale.yaml
@@ -33,7 +33,7 @@ rules:
   entity-unavailable: done
   integration-owner: done
   log-when-unavailable: done
-  parallel-updates: todo
+  parallel-updates: done
   reauthentication-flow: done
   test-coverage: done
 
diff --git a/homeassistant/components/habitica/sensor.py b/homeassistant/components/habitica/sensor.py
index f969b1344d9..57c391f5c12 100644
--- a/homeassistant/components/habitica/sensor.py
+++ b/homeassistant/components/habitica/sensor.py
@@ -52,6 +52,9 @@ SVG_CLASS = {
 }
 
 
+PARALLEL_UPDATES = 1
+
+
 @dataclass(kw_only=True, frozen=True)
 class HabiticaSensorEntityDescription(SensorEntityDescription):
     """Habitica Sensor Description."""