diff --git a/LICENSE b/LICENSE
index c404f4e..6fbdd05 100644
--- a/LICENSE
+++ b/LICENSE
@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright 2019-2021 C. Augusto Proiete & Contributors
+   Copyright 2019-2023 C. Augusto Proiete & Contributors
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
diff --git a/README.md b/README.md
index 48b4efe..772acec 100644
--- a/README.md
+++ b/README.md
@@ -166,4 +166,4 @@ Click on the [Releases](https://github.com/augustoproiete/exceldna-diagnostics-s
 
 ---
 
-_Copyright © 2019-2021 C. Augusto Proiete & Contributors - Provided under the [Apache License, Version 2.0](LICENSE)._
+_Copyright © 2019-2023 C. Augusto Proiete & Contributors - Provided under the [Apache License, Version 2.0](LICENSE)._
diff --git a/sample/SampleAddIn/AddIn.cs b/sample/SampleAddIn/AddIn.cs
index 3dea4b3..b54ba4d 100644
--- a/sample/SampleAddIn/AddIn.cs
+++ b/sample/SampleAddIn/AddIn.cs
@@ -1,4 +1,4 @@
-#region Copyright 2019-2021 C. Augusto Proiete & Contributors
+#region Copyright 2019-2023 C. Augusto Proiete & Contributors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/sample/SampleAddIn/Properties/AssemblyInfo.cs b/sample/SampleAddIn/Properties/AssemblyInfo.cs
index 6607b81..bd8c1e2 100644
--- a/sample/SampleAddIn/Properties/AssemblyInfo.cs
+++ b/sample/SampleAddIn/Properties/AssemblyInfo.cs
@@ -9,7 +9,7 @@
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("")]
 [assembly: AssemblyProduct("SampleAddIn")]
-[assembly: AssemblyCopyright("Copyright 2019-2021 C. Augusto Proiete & Contributors")]
+[assembly: AssemblyCopyright("Copyright 2019-2023 C. Augusto Proiete & Contributors")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
diff --git a/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/ExcelDnaTraceSource.cs b/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/ExcelDnaTraceSource.cs
index 6c32664..fde7275 100644
--- a/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/ExcelDnaTraceSource.cs
+++ b/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/ExcelDnaTraceSource.cs
@@ -1,4 +1,4 @@
-#region Copyright 2019-2021 C. Augusto Proiete & Contributors
+#region Copyright 2019-2023 C. Augusto Proiete & Contributors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/InMemoryBufferSink.cs b/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/InMemoryBufferSink.cs
index 1a20b2a..73184ec 100644
--- a/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/InMemoryBufferSink.cs
+++ b/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/InMemoryBufferSink.cs
@@ -1,4 +1,4 @@
-#region Copyright 2019-2021 C. Augusto Proiete & Contributors
+#region Copyright 2019-2023 C. Augusto Proiete & Contributors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/LogEventLevelConvert.cs b/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/LogEventLevelConvert.cs
index 581023f..3015598 100644
--- a/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/LogEventLevelConvert.cs
+++ b/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/LogEventLevelConvert.cs
@@ -1,4 +1,4 @@
-#region Copyright 2019-2021 C. Augusto Proiete & Contributors
+#region Copyright 2019-2023 C. Augusto Proiete & Contributors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/SerilogTraceListener.Constants.cs b/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/SerilogTraceListener.Constants.cs
index 249ac12..0c9678c 100644
--- a/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/SerilogTraceListener.Constants.cs
+++ b/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/SerilogTraceListener.Constants.cs
@@ -1,4 +1,4 @@
-#region Copyright 2019-2021 C. Augusto Proiete & Contributors
+#region Copyright 2019-2023 C. Augusto Proiete & Contributors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -34,7 +34,7 @@ public class Constants
             public const string ExcelDnaSourceContext = "ExcelDna.Integration";
 
             /// <summary>
-            /// The name of the TraceSource used by Excel-DNA 
+            /// The name of the TraceSource used by Excel-DNA
             /// </summary>
             public const string ExcelDnaTraceSourceName = "ExcelDna.Integration";
         }
diff --git a/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/SerilogTraceListener.cs b/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/SerilogTraceListener.cs
index d506fa4..a2d0b04 100644
--- a/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/SerilogTraceListener.cs
+++ b/src/ExcelDna.Diagnostics.Serilog/Diagnostics/Serilog/SerilogTraceListener.cs
@@ -1,4 +1,4 @@
-#region Copyright 2019-2021 C. Augusto Proiete & Contributors
+#region Copyright 2019-2023 C. Augusto Proiete & Contributors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/src/ExcelDna.Diagnostics.Serilog/ExcelDna.Diagnostics.Serilog.csproj b/src/ExcelDna.Diagnostics.Serilog/ExcelDna.Diagnostics.Serilog.csproj
index 341d9ef..20edae7 100644
--- a/src/ExcelDna.Diagnostics.Serilog/ExcelDna.Diagnostics.Serilog.csproj
+++ b/src/ExcelDna.Diagnostics.Serilog/ExcelDna.Diagnostics.Serilog.csproj
@@ -33,7 +33,7 @@
     <Authors>C. Augusto Proiete &amp; Contributors</Authors>
     <Company>augustoproiete.net</Company>
     <Description>Integrate Excel-DNA Diagnostics Logging with Serilog.</Description>
-    <Copyright>Copyright (c) 2019-2021 C. Augusto Proiete &amp; Contributors - Provided under the Apache License, Version 2.0</Copyright>
+    <Copyright>Copyright (c) 2019-2023 C. Augusto Proiete &amp; Contributors - Provided under the Apache License, Version 2.0</Copyright>
     <PackageTags>exceldna;diagnostic;serilog;logging;excel-dna</PackageTags>
     <PackageLicenseExpression>Apache-2.0</PackageLicenseExpression>
     <PackageIcon>images\icon.png</PackageIcon>
diff --git a/src/ExcelDna.Diagnostics.Serilog/Integration/TraceSourceExtensions.cs b/src/ExcelDna.Diagnostics.Serilog/Integration/TraceSourceExtensions.cs
index fdc16f2..64c3b2f 100644
--- a/src/ExcelDna.Diagnostics.Serilog/Integration/TraceSourceExtensions.cs
+++ b/src/ExcelDna.Diagnostics.Serilog/Integration/TraceSourceExtensions.cs
@@ -1,4 +1,4 @@
-#region Copyright 2019-2021 C. Augusto Proiete & Contributors
+#region Copyright 2019-2023 C. Augusto Proiete & Contributors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/test/ExcelDna.Diagnostics.Serilog.Tests/LogEventLevelConvertTests.cs b/test/ExcelDna.Diagnostics.Serilog.Tests/LogEventLevelConvertTests.cs
index e6eb836..196efec 100644
--- a/test/ExcelDna.Diagnostics.Serilog.Tests/LogEventLevelConvertTests.cs
+++ b/test/ExcelDna.Diagnostics.Serilog.Tests/LogEventLevelConvertTests.cs
@@ -1,4 +1,4 @@
-#region Copyright 2019-2021 C. Augusto Proiete & Contributors
+#region Copyright 2019-2023 C. Augusto Proiete & Contributors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/test/ExcelDna.Diagnostics.Serilog.Tests/SerilogTraceListenerTests.cs b/test/ExcelDna.Diagnostics.Serilog.Tests/SerilogTraceListenerTests.cs
index 5bda505..8475bd7 100644
--- a/test/ExcelDna.Diagnostics.Serilog.Tests/SerilogTraceListenerTests.cs
+++ b/test/ExcelDna.Diagnostics.Serilog.Tests/SerilogTraceListenerTests.cs
@@ -1,4 +1,4 @@
-#region Copyright 2019-2021 C. Augusto Proiete & Contributors
+#region Copyright 2019-2023 C. Augusto Proiete & Contributors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/test/ExcelDna.Diagnostics.Serilog.Tests/Support/DelegatingSink.cs b/test/ExcelDna.Diagnostics.Serilog.Tests/Support/DelegatingSink.cs
index 4988523..e4d94fa 100644
--- a/test/ExcelDna.Diagnostics.Serilog.Tests/Support/DelegatingSink.cs
+++ b/test/ExcelDna.Diagnostics.Serilog.Tests/Support/DelegatingSink.cs
@@ -1,4 +1,4 @@
-#region Copyright 2019-2021 C. Augusto Proiete & Contributors
+#region Copyright 2019-2023 C. Augusto Proiete & Contributors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/test/ExcelDna.Diagnostics.Serilog.Tests/Support/Extensions.cs b/test/ExcelDna.Diagnostics.Serilog.Tests/Support/Extensions.cs
index 7c36a5e..14bcc7c 100644
--- a/test/ExcelDna.Diagnostics.Serilog.Tests/Support/Extensions.cs
+++ b/test/ExcelDna.Diagnostics.Serilog.Tests/Support/Extensions.cs
@@ -1,4 +1,4 @@
-#region Copyright 2019-2021 C. Augusto Proiete & Contributors
+#region Copyright 2019-2023 C. Augusto Proiete & Contributors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/test/ExcelDna.Diagnostics.Serilog.Tests/Support/LogEventAssert.cs b/test/ExcelDna.Diagnostics.Serilog.Tests/Support/LogEventAssert.cs
index ea4ed07..0d87435 100644
--- a/test/ExcelDna.Diagnostics.Serilog.Tests/Support/LogEventAssert.cs
+++ b/test/ExcelDna.Diagnostics.Serilog.Tests/Support/LogEventAssert.cs
@@ -1,4 +1,4 @@
-#region Copyright 2019-2021 C. Augusto Proiete & Contributors
+#region Copyright 2019-2023 C. Augusto Proiete & Contributors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
diff --git a/test/ExcelDna.Diagnostics.Serilog.Tests/Support/Some.cs b/test/ExcelDna.Diagnostics.Serilog.Tests/Support/Some.cs
index 5842a23..0eba27e 100644
--- a/test/ExcelDna.Diagnostics.Serilog.Tests/Support/Some.cs
+++ b/test/ExcelDna.Diagnostics.Serilog.Tests/Support/Some.cs
@@ -1,4 +1,4 @@
-#region Copyright 2019-2021 C. Augusto Proiete & Contributors
+#region Copyright 2019-2023 C. Augusto Proiete & Contributors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.