diff --git a/adapters/KissLog.Adapters.log4net/KissLog.Adapters.log4net.csproj b/adapters/KissLog.Adapters.log4net/KissLog.Adapters.log4net.csproj
index 9f4a5f2..ff07a87 100644
--- a/adapters/KissLog.Adapters.log4net/KissLog.Adapters.log4net.csproj
+++ b/adapters/KissLog.Adapters.log4net/KissLog.Adapters.log4net.csproj
@@ -28,7 +28,7 @@
     </ItemGroup>
 
     <ItemGroup>
-    <PackageReference Include="log4net" Version="2.0.12" />
+    <PackageReference Include="log4net" Version="3.3.0" />
   </ItemGroup>
 
     <ItemGroup>