diff --git a/Tests/CSF.ORM.NHibernate4.Tests/CSF.ORM.NHibernate4.Tests.csproj b/Tests/CSF.ORM.NHibernate4.Tests/CSF.ORM.NHibernate4.Tests.csproj
index 107bb69..a7d017c 100644
--- a/Tests/CSF.ORM.NHibernate4.Tests/CSF.ORM.NHibernate4.Tests.csproj
+++ b/Tests/CSF.ORM.NHibernate4.Tests/CSF.ORM.NHibernate4.Tests.csproj
@@ -22,7 +22,7 @@
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     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
     <PackageReference Include="Moq" Version="4.13.1" />
-    <PackageReference Include="log4net" Version="2.0.8" />
+    <PackageReference Include="log4net" Version="3.3.0" />
     <PackageReference Include="System.Configuration.ConfigurationManager" Version="4.6.0" />
     <PackageReference Include="System.Data.SQLite.Core" Version="1.0.112" />
     <PackageReference Include="System.Security.Permissions" Version="4.6.0" />