diff --git a/src/TDSProxy/TDSProxy.csproj b/src/TDSProxy/TDSProxy.csproj
index 7fbccca..034379f 100644
--- a/src/TDSProxy/TDSProxy.csproj
+++ b/src/TDSProxy/TDSProxy.csproj
@@ -97,7 +97,7 @@
       <Version>2021.3.0</Version>
     </PackageReference>
     <PackageReference Include="log4net">
-      <Version>2.0.13</Version>
+      <Version>3.3.0</Version>
     </PackageReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />