diff --git a/PowerShellToolsPro/PowerShellToolsPro.csproj b/PowerShellToolsPro/PowerShellToolsPro.csproj
index 684a8f7..7a5e5a9 100644
--- a/PowerShellToolsPro/PowerShellToolsPro.csproj
+++ b/PowerShellToolsPro/PowerShellToolsPro.csproj
@@ -103,7 +103,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="log4net">
-      <Version>2.0.8</Version>
+      <Version>3.3.0</Version>
     </PackageReference>
     <PackageReference Include="Microsoft.VisualStudio.SDK">
       <Version>15.0.1</Version>
diff --git a/PowershellTools.Common/PowershellTools.Common.csproj b/PowershellTools.Common/PowershellTools.Common.csproj
index 2f98b5c..4198389 100644
--- a/PowershellTools.Common/PowershellTools.Common.csproj
+++ b/PowershellTools.Common/PowershellTools.Common.csproj
@@ -81,7 +81,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="log4net">
-      <Version>2.0.8</Version>
+      <Version>3.3.0</Version>
     </PackageReference>
     <PackageReference Include="PowerShellStandard.Library">
       <Version>5.1.0</Version>
diff --git a/ThirdParty/log4net.dll b/ThirdParty/log4net.dll
index ffc57e1..79b27e2 100644
Binary files a/ThirdParty/log4net.dll and b/ThirdParty/log4net.dll differ
diff --git a/packages.config b/packages.config
index 14dddad..2e048dc 100644
--- a/packages.config
+++ b/packages.config
@@ -5,5 +5,5 @@
   <package id="Microsoft.VisualStudio.TestWindow.Interfaces" version="11.0.61030" targetFramework="net45" />
   <package id="Microsoft.TestPlatform.ObjectModel" version="15.7.2" targetFramework="net45" />
   <package id="Moq" version="4.0.10827" targetFramework="net45" />
-  <package id="log4net" version="2.0.3" targetFramework="net45" />
+  <package id="log4net" version="2.0.17" targetFramework="net45" />
 </packages>