diff --git a/pyproject.toml b/pyproject.toml
index 0789a53..0640e58 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,6 +9,7 @@ dependencies = [
     "geopy[aiohttp]==2.4.1",
     "httpx>=0.28.1",
     "numpy==2.4.3",
+    "psutil>=7.2.2",
     "pydantic==2.12.5",
     "pyicloud>=2.4.1",
     "pymobiledevice3==9.8.1",
diff --git a/src/pymd3_vue_location_sim/simulation_service.py b/src/pymd3_vue_location_sim/simulation_service.py
index f2c3a5b..a085f29 100644
--- a/src/pymd3_vue_location_sim/simulation_service.py
+++ b/src/pymd3_vue_location_sim/simulation_service.py
@@ -1,4 +1,6 @@
 import asyncio
+import psutil
+import datetime
 import math
 import random
 import traceback
@@ -563,10 +565,10 @@ class SimulationService:
         }
 
     def get_uptime(self) -> float:
-        with open('/proc/uptime', 'r') as f:
-            # The first number is total uptime seconds
-            uptime_seconds = float(f.readline().split()[0])
-        return uptime_seconds
+        boot_time_timestamp = psutil.boot_time()
+        boot_time = datetime.datetime.fromtimestamp(boot_time_timestamp)
+        uptime = datetime.datetime.now() - boot_time
+        return uptime
 
     def get_status(self) -> dict:
         return {
diff --git a/uv.lock b/uv.lock
index 8ee3e58..feb774b 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1347,6 +1347,7 @@ dependencies = [
     { name = "geopy", extra = ["aiohttp"] },
     { name = "httpx" },
     { name = "numpy" },
+    { name = "psutil" },
     { name = "pydantic" },
     { name = "pyicloud" },
     { name = "pymobiledevice3" },
@@ -1368,6 +1369,7 @@ requires-dist = [
     { name = "geopy", extras = ["aiohttp"], specifier = "==2.4.1" },
     { name = "httpx", specifier = ">=0.28.1" },
     { name = "numpy", specifier = "==2.4.3" },
+    { name = "psutil", specifier = ">=7.2.2" },
     { name = "pydantic", specifier = "==2.12.5" },
     { name = "pyicloud", specifier = ">=2.4.1" },
     { name = "pymobiledevice3", specifier = "==9.8.1" },