diff --git a/src/TDSProtocol/TDSProtocol.csproj b/src/TDSProtocol/TDSProtocol.csproj
index 6e8c87d..4bef8a0 100644
--- a/src/TDSProtocol/TDSProtocol.csproj
+++ b/src/TDSProtocol/TDSProtocol.csproj
@@ -13,7 +13,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="log4net" Version="2.0.15" />
+    <PackageReference Include="log4net" Version="3.3.0" />
   </ItemGroup>
 
 </Project>
diff --git a/src/TDSProxy/TDSProxy.csproj b/src/TDSProxy/TDSProxy.csproj
index 8658052..9ce2f14 100644
--- a/src/TDSProxy/TDSProxy.csproj
+++ b/src/TDSProxy/TDSProxy.csproj
@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="JetBrains.Annotations" Version="2023.3.0" />
-    <PackageReference Include="log4net" Version="2.0.15" />
+    <PackageReference Include="log4net" Version="3.3.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="7.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="7.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="7.0.0" />