diff --git a/pyemvue/__version__.py b/pyemvue/__version__.py
index ec22ee3..65c9308 100644
--- a/pyemvue/__version__.py
+++ b/pyemvue/__version__.py
@@ -1 +1 @@
-VERSION = "0.18.8"
+VERSION = "0.18.9"
diff --git a/pyemvue/device.py b/pyemvue/device.py
index fb03d6f..84cd5f4 100644
--- a/pyemvue/device.py
+++ b/pyemvue/device.py
@@ -142,6 +142,7 @@ def __init__(
         self.channel_type_gid = channelTypeGid
         self.nested_devices = {}
         self.type = ""
+        self.parent_channel_num = None
 
     def from_json_dictionary(self, js: "dict[str, Any]") -> Self:
         """Populate device channel data from a dictionary extracted from the response json."""
@@ -157,6 +158,8 @@ def from_json_dictionary(self, js: "dict[str, Any]") -> Self:
             self.channel_type_gid = js["channelTypeGid"]
         if "type" in js:
             self.type = js["type"]
+        if "parentChannelNum" in js:
+            self.parent_channel_num = js["parentChannelNum"]
         return self
     
     # Known types: Main, FiftyAmp, FiftyAmpBidirectional
@@ -169,7 +172,8 @@ def as_dictionary(self) -> "dict[str, Any]":
             "channelNum": self.channel_num,
             "channelMultiplier": self.channel_multiplier,
             "channelTypeGid": self.channel_type_gid,
-            "type": self.type
+            "type": self.type,
+            "parentChannelNum": self.parent_channel_num
         }
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 8d07a28..b8be670 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,7 @@ classifiers=[
     "Topic :: Home Automation",
 ]
 dependencies = [
-    "pycognito>=2024.2.0",
+    "pycognito>=2024.5.0",
     "python-dateutil>=2.8.2",
     "requests>=2.26.0",
     "typing_extensions>=4.0.1"
diff --git a/simulator/models.py b/simulator/models.py
index 7656186..50e5871 100644
--- a/simulator/models.py
+++ b/simulator/models.py
@@ -86,6 +86,7 @@ class SimulatorChannel(SimulatorBase):
     channelMultiplier: float = 1.0
     channelTypeGid: Optional[int]
     type: str
+    parentChannelNum: Optional[str] = None
 
 
 class SimulatorLatitudeLongitude(SimulatorBase):