diff --git a/CHANGELOG.md b/CHANGELOG.md
index bbe737a..96e1d2b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 1.1.1 (2021-12-10)
+
+- Better handling of missing data points when parsing messages which may occure when the firmware revision changes
+
 # 1.1.0 (2021-12-10)
 
 - Deprecated rain_amount_previous_minute due to name/units inconsistency
diff --git a/pyproject.toml b/pyproject.toml
index f3c9c2d..0c4fce1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pyweatherflowudp"
-version = "1.1.0"
+version = "1.1.1"
 description = "An event-based asynchronous library to read UDP packets from Weatherflow weather systems on a local network without any reliance on the cloud."
 license = "MIT"
 authors = ["Nathan Spencer <natekspencer@gmail.com>"]
diff --git a/pyweatherflowudp/__init__.py b/pyweatherflowudp/__init__.py
index e20f019..247ddea 100644
--- a/pyweatherflowudp/__init__.py
+++ b/pyweatherflowudp/__init__.py
@@ -1,2 +1,2 @@
 """Asynchronous library to read UDP Packets from Weatherflow weather systems."""
-__version__ = "1.1.0"
+__version__ = "1.1.1"
diff --git a/pyweatherflowudp/device.py b/pyweatherflowudp/device.py
index a332c98..72c90d9 100644
--- a/pyweatherflowudp/device.py
+++ b/pyweatherflowudp/device.py
@@ -27,10 +27,8 @@
 DATA_DEBUG = "debug"
 DATA_EVENT = "evt"
 DATA_FIRMWARE_REVISION = "firmware_revision"
-DATA_FS = "fs"
 DATA_HUB_RSSI = "hub_rssi"
 DATA_HUB_SN = "hub_sn"
-DATA_MQTT_STATS = "mqtt_stats"
 DATA_OBSERVATION = "ob"
 DATA_OBSERVATIONS = "obs"
 DATA_RADIO_STATS = "radio_stats"
@@ -143,10 +141,12 @@ def register_parse_handlers(
     @final
     def parse_message(self, data: dict[str, Any]) -> None:
         """Parse a device message."""
-        if handler := self._parse_message_map.get(message_type := data[DATA_TYPE]):
+        if handler := self._parse_message_map.get(
+            message_type := data.get(DATA_TYPE, "")
+        ):
             if isinstance(handler, tuple):
                 handler, field = handler
-                data = data[field]
+                data = data.get(field, {})
             handler(data)
         else:
             _LOGGER.warning("Unhandled %s message: %s", message_type, data)
@@ -163,9 +163,7 @@ def __init__(self, serial_number: str, data: dict[str, Any] | None = None) -> No
 
         self._reset_flags: str = ""
         self._seq: int = 0
-        self._fs: list[int] = []
         self._radio_stats: list[int] = []
-        self._mqtt_stats: list[int] = []
 
         self.register_parse_handlers({EVENT_STATUS_HUB: self.parse_hub_status})
 
@@ -184,15 +182,13 @@ def reset_flags(self) -> list[str] | None:
 
     def parse_hub_status(self, data: dict[str, Any]) -> None:
         """Parse hub status."""
-        self._firmware_revision = data[DATA_FIRMWARE_REVISION]
-        self._uptime = data[DATA_UPTIME]
-        self._rssi = data[DATA_RSSI]
-        self._timestamp = data[DATA_TIMESTAMP]
-        self._reset_flags = data[DATA_RESET_FLAGS]
-        self._seq = data[DATA_SEQ]
-        self._fs = data[DATA_FS]
-        self._radio_stats = data[DATA_RADIO_STATS]
-        self._mqtt_stats = data[DATA_MQTT_STATS]
+        self._firmware_revision = data.get(DATA_FIRMWARE_REVISION)
+        self._uptime = data.get(DATA_UPTIME, 0)
+        self._rssi = data.get(DATA_RSSI, 0)
+        self._timestamp = data.get(DATA_TIMESTAMP)
+        self._reset_flags = data.get(DATA_RESET_FLAGS, "")
+        self._seq = data.get(DATA_SEQ, 0)
+        self._radio_stats = data.get(DATA_RADIO_STATS, [])
 
         assert self._timestamp
 
@@ -282,14 +278,14 @@ def sensor_status(self) -> list[str]:
 
     def parse_device_status(self, data: dict[str, Any]) -> None:
         """Parse the device status."""
-        self._timestamp = data[DATA_TIMESTAMP]
-        self._uptime = data[DATA_UPTIME]
-        self._voltage = data[DATA_VOLTAGE]
-        self._firmware_revision = data[DATA_FIRMWARE_REVISION]
-        self._rssi = data[DATA_RSSI]
-        self._hub_rssi = data[DATA_HUB_RSSI]
-        self._sensor_status = data[DATA_SENSOR_STATUS]
-        self._debug = truebool(data[DATA_DEBUG])
+        self._timestamp = data.get(DATA_TIMESTAMP)
+        self._uptime = data.get(DATA_UPTIME, 0)
+        self._voltage = data.get(DATA_VOLTAGE, 0)
+        self._firmware_revision = data.get(DATA_FIRMWARE_REVISION)
+        self._rssi = data.get(DATA_RSSI, 0)
+        self._hub_rssi = data.get(DATA_HUB_RSSI, 0)
+        self._sensor_status = data.get(DATA_SENSOR_STATUS, 0)
+        self._debug = truebool(data.get(DATA_DEBUG))
 
         if not self._initial_status:
             self._initial_status = True
diff --git a/test/test_version.py b/test/test_version.py
index 2edcba0..c60893e 100644
--- a/test/test_version.py
+++ b/test/test_version.py
@@ -4,4 +4,4 @@
 
 def test_version() -> None:
     """Test version."""
-    assert __version__ == "1.1.0"
+    assert __version__ == "1.1.1"