diff --git a/CHANGELOG.md b/CHANGELOG.md
index 327e31d..22411bc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -178,6 +178,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
  - Better VC-4 support for IcdConsole
  - JSON refactoring for simpler deserialization
 
+## [8.9.1] - 2020-05-27
+### Changed
+ - Changed ProcessorUtils to use CrestronEnvironment to retrive serial number - this fixes issues with new serial numbers that aren't deciaml TSIDs
+
 ## [8.9.0] - 2020-04-30
 ### Changed
  - ProgramUtils and ProcessorUtils return dates instead of strings for date properties
diff --git a/ICD.Common.Utils/ProcessorUtils.SimplSharp.cs b/ICD.Common.Utils/ProcessorUtils.SimplSharp.cs
index cf074e9..73391f0 100644
--- a/ICD.Common.Utils/ProcessorUtils.SimplSharp.cs
+++ b/ICD.Common.Utils/ProcessorUtils.SimplSharp.cs
@@ -1,7 +1,8 @@
-using System.Globalization;
+#if SIMPLSHARP
+using System.Globalization;
+using Crestron.SimplSharp;
 using ICD.Common.Utils.Services;
 using ICD.Common.Utils.Services.Logging;
-#if SIMPLSHARP
 using System;
 using System.Text.RegularExpressions;
 using ICD.Common.Properties;
@@ -125,19 +126,7 @@ namespace ICD.Common.Utils
 		{
 			get
 			{
-				Regex regex = new Regex(VER_REGEX);
-				Match match = regex.Match(VersionResult);
-
-				if (!match.Success)
-				{
-					ServiceProvider.TryGetService<ILoggerService>()
-					               .AddEntry(eSeverity.Warning, "Unable to get serial number from \"{0}\"", VersionResult);
-
-					return string.Empty;
-				}
-
-				int decValue = int.Parse(match.Groups["serial"].Value, System.Globalization.NumberStyles.HexNumber);
-				return decValue.ToString();
+				return CrestronEnvironment.SystemInfo.SerialNumber;
 			}
 		}