diff --git a/GlaxLogger/GlaxLogger.csproj b/GlaxLogger/GlaxLogger.csproj
index 12509a3..1d43d68 100644
--- a/GlaxLogger/GlaxLogger.csproj
+++ b/GlaxLogger/GlaxLogger.csproj
@@ -7,7 +7,7 @@
         <Authors>Glax</Authors>
         <RepositoryUrl>https://git.bernloehr.eu/glax/GlaxLogger</RepositoryUrl>
         <RepositoryType>git</RepositoryType>
-        <Version>1.0.3</Version>
+        <Version>1.0.4</Version>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/GlaxLogger/Logger.cs b/GlaxLogger/Logger.cs
index f879ca4..8c6826f 100644
--- a/GlaxLogger/Logger.cs
+++ b/GlaxLogger/Logger.cs
@@ -5,13 +5,12 @@ namespace GlaxLogger;
 
 public class Logger : ILogger, IDisposable, IAsyncDisposable
 {
-    private readonly LogLevel _filterLevel;
+    private LogLevel _filterLevel;
     private readonly FileStream _allMessageLogfile, _filteredLogfile;
     private readonly ConsoleColor _defaultForegroundColor = Console.ForegroundColor;
     private readonly ConsoleColor _defaultBackgroundColor = Console.BackgroundColor;
     private readonly TextWriter _consoleOut;
 
-    
     public Logger(LogLevel filteredLevel = LogLevel.Warning, string? outputFolderPath = null, TextWriter? consoleOut = null)
     {
         this._filterLevel = filteredLevel;
@@ -46,6 +45,12 @@ public class Logger : ILogger, IDisposable, IAsyncDisposable
         return logLevel >= _filterLevel;
     }
 
+    public void UpdateLogLevel(LogLevel filterLevel)
+    {
+        this._filterLevel = filterLevel;
+        Log(LogLevel.None, new EventId(), $"Change LogLevel to {filterLevel}", null, (s, exception) => s);
+    }
+
     public IDisposable? BeginScope<TState>(TState state) where TState : notnull
     {
         return null;