diff --git a/Projects/SampleHttps/App.config b/Projects/SampleHttps/App.config
index 4122f25..7192cb1 100644
--- a/Projects/SampleHttps/App.config
+++ b/Projects/SampleHttps/App.config
@@ -67,7 +67,7 @@
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>
         <assemblyIdentity name="log4net" publicKeyToken="669e0ddf0bb1aa2a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-2.0.12.0" newVersion="2.0.12.0" />
+        <bindingRedirect oldVersion="0.0.0.0-3.3.0.0" newVersion="3.3.0.0" />
       </dependentAssembly>
     </assemblyBinding>
   </runtime>
diff --git a/Projects/SampleHttps/Https.csproj b/Projects/SampleHttps/Https.csproj
index 9b057b9..c445b94 100644
--- a/Projects/SampleHttps/Https.csproj
+++ b/Projects/SampleHttps/Https.csproj
@@ -37,8 +37,9 @@
     <Reference Include="BouncyCastle.Crypto, Version=1.8.9.0, Culture=neutral, PublicKeyToken=0e99375e54769942">
       <HintPath>..\packages\BouncyCastle.1.8.9\lib\BouncyCastle.Crypto.dll</HintPath>
     </Reference>
-    <Reference Include="log4net, Version=2.0.12.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
-      <HintPath>..\packages\log4net.2.0.12\lib\net45\log4net.dll</HintPath>
+    <Reference Include="log4net, Version=3.3.0.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a">
+      <HintPath>..\packages\log4net.3.3.0\lib\net462\log4net.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="SuperSocket.Common, Version=1.6.6.1, Culture=neutral, PublicKeyToken=6c80000676988ebb, processorArchitecture=MSIL">
       <HintPath>..\packages\SuperSocket.1.6.6.1\lib\net45\SuperSocket.Common.dll</HintPath>
diff --git a/Projects/SampleHttps/packages.config b/Projects/SampleHttps/packages.config
index f0a1d05..1488372 100644
--- a/Projects/SampleHttps/packages.config
+++ b/Projects/SampleHttps/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="BouncyCastle" version="1.8.9" targetFramework="net48" />
-  <package id="log4net" version="2.0.12" targetFramework="net48" />
+  <package id="log4net" version="3.3.0" targetFramework="net48" />
   <package id="SuperSocket" version="1.6.6.1" targetFramework="net48" />
   <package id="SuperSocket.Engine" version="1.6.6.1" targetFramework="net48" />
 </packages>
\ No newline at end of file