diff --git a/homeassistant/components/simplisafe/__init__.py b/homeassistant/components/simplisafe/__init__.py
index 74c7c3fd079..d655e149469 100644
--- a/homeassistant/components/simplisafe/__init__.py
+++ b/homeassistant/components/simplisafe/__init__.py
@@ -1,6 +1,6 @@
 """Support for SimpliSafe alarm systems."""
 import asyncio
-from dataclasses import dataclass, field
+from dataclasses import InitVar, asdict, dataclass, field
 from datetime import datetime
 import logging
 from typing import Optional
@@ -9,8 +9,12 @@ from simplipy import API
 from simplipy.entity import EntityTypes
 from simplipy.errors import InvalidCredentialsError, SimplipyError, WebsocketError
 from simplipy.websocket import (
+    EVENT_CAMERA_MOTION_DETECTED,
+    EVENT_DOORBELL_DETECTED,
+    EVENT_ENTRY_DETECTED,
     EVENT_LOCK_LOCKED,
     EVENT_LOCK_UNLOCKED,
+    EVENT_MOTION_DETECTED,
     get_event_type_from_payload,
 )
 import voluptuous as vol
@@ -60,10 +64,18 @@ CONF_ACCOUNTS = "accounts"
 DATA_LISTENER = "listener"
 TOPIC_UPDATE = "simplisafe_update_data_{0}"
 
+EVENT_SIMPLISAFE_EVENT = "SIMPLISAFE_EVENT"
+
 DEFAULT_SOCKET_MIN_RETRY = 15
 DEFAULT_WATCHDOG_SECONDS = 5 * 60
 
 WEBSOCKET_EVENTS_REQUIRING_SERIAL = [EVENT_LOCK_LOCKED, EVENT_LOCK_UNLOCKED]
+WEBSOCKET_EVENTS_TO_TRIGGER_HASS_EVENT = [
+    EVENT_CAMERA_MOTION_DETECTED,
+    EVENT_DOORBELL_DETECTED,
+    EVENT_ENTRY_DETECTED,
+    EVENT_MOTION_DETECTED,
+]
 
 ATTR_LAST_EVENT_INFO = "last_event_info"
 ATTR_LAST_EVENT_SENSOR_NAME = "last_event_sensor_name"
@@ -309,7 +321,7 @@ async def async_unload_entry(hass, entry):
 class SimpliSafeWebsocketEvent:
     """Define a representation of a parsed websocket event."""
 
-    event_data: dict
+    event_data: InitVar[dict]
 
     changed_by: Optional[str] = field(init=False)
     event_type: Optional[str] = field(init=False)
@@ -320,30 +332,28 @@ class SimpliSafeWebsocketEvent:
     system_id: int = field(init=False)
     timestamp: datetime = field(init=False)
 
-    def __post_init__(self):
+    def __post_init__(self, event_data):
         """Initialize."""
-        object.__setattr__(self, "changed_by", self.event_data["pinName"])
-        object.__setattr__(
-            self, "event_type", get_event_type_from_payload(self.event_data)
-        )
-        object.__setattr__(self, "info", self.event_data["info"])
-        object.__setattr__(self, "sensor_name", self.event_data["sensorName"])
-        object.__setattr__(self, "sensor_serial", self.event_data["sensorSerial"])
+        object.__setattr__(self, "changed_by", event_data["pinName"])
+        object.__setattr__(self, "event_type", get_event_type_from_payload(event_data))
+        object.__setattr__(self, "info", event_data["info"])
+        object.__setattr__(self, "sensor_name", event_data["sensorName"])
+        object.__setattr__(self, "sensor_serial", event_data["sensorSerial"])
         try:
             object.__setattr__(
-                self, "sensor_type", EntityTypes(self.event_data["sensorType"]).name
+                self, "sensor_type", EntityTypes(event_data["sensorType"]).name
             )
         except ValueError:
             _LOGGER.warning(
                 'Encountered unknown entity type: %s ("%s"). Please report it at'
                 "https://github.com/home-assistant/home-assistant/issues.",
-                self.event_data["sensorType"],
-                self.event_data["sensorName"],
+                event_data["sensorType"],
+                event_data["sensorName"],
             )
             object.__setattr__(self, "sensor_type", None)
-        object.__setattr__(self, "system_id", self.event_data["sid"])
+        object.__setattr__(self, "system_id", event_data["sid"])
         object.__setattr__(
-            self, "timestamp", utc_from_timestamp(self.event_data["eventTimestamp"])
+            self, "timestamp", utc_from_timestamp(event_data["eventTimestamp"])
         )
 
 
@@ -407,6 +417,9 @@ class SimpliSafeWebsocket:
         self.last_events[data["sid"]] = event
         async_dispatcher_send(self._hass, TOPIC_UPDATE.format(data["sid"]))
 
+        if event.event_type in WEBSOCKET_EVENTS_TO_TRIGGER_HASS_EVENT:
+            self._hass.bus.async_fire(EVENT_SIMPLISAFE_EVENT, event_data=asdict(event))
+
         _LOGGER.debug("Resetting websocket watchdog")
         self._websocket_watchdog_listener()
         self._websocket_watchdog_listener = async_call_later(
diff --git a/homeassistant/components/simplisafe/manifest.json b/homeassistant/components/simplisafe/manifest.json
index 3b04d26732c..b150fd40392 100644
--- a/homeassistant/components/simplisafe/manifest.json
+++ b/homeassistant/components/simplisafe/manifest.json
@@ -3,7 +3,7 @@
   "name": "SimpliSafe",
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/simplisafe",
-  "requirements": ["simplisafe-python==7.1.0"],
+  "requirements": ["simplisafe-python==7.3.0"],
   "dependencies": [],
   "codeowners": ["@bachya"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index 39b1194cce0..cb9d5f7f1a0 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1829,7 +1829,7 @@ simplehound==0.3
 simplepush==1.1.4
 
 # homeassistant.components.simplisafe
-simplisafe-python==7.1.0
+simplisafe-python==7.3.0
 
 # homeassistant.components.sisyphus
 sisyphus-control==2.2.1
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 0056721f04e..3f2d4736d19 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -622,7 +622,7 @@ sentry-sdk==0.13.5
 simplehound==0.3
 
 # homeassistant.components.simplisafe
-simplisafe-python==7.1.0
+simplisafe-python==7.3.0
 
 # homeassistant.components.sleepiq
 sleepyq==0.7