diff --git a/src/Matrix.Logging/Matrix.Logging.csproj b/src/Matrix.Logging/Matrix.Logging.csproj
index 46bc48c..86f5ad3 100644
--- a/src/Matrix.Logging/Matrix.Logging.csproj
+++ b/src/Matrix.Logging/Matrix.Logging.csproj
@@ -59,7 +59,7 @@
             <MatrixRepositoryUrl>https://github.com/NLog/NLog</MatrixRepositoryUrl>
             <MatrixLogo>logos/nlog.svg</MatrixLogo>
         </PackageReference>
-        <PackageReference Include="log4net" Version="3.3.2">
+        <PackageReference Include="log4net" Version="3.4.0">
             <MatrixLibraryId>log4net</MatrixLibraryId>
             <MatrixLibraryName>log4net</MatrixLibraryName>
             <MatrixCodeName>Log4Net</MatrixCodeName>