diff --git a/src/Umbraco.Core/Umbraco.Core.csproj b/src/Umbraco.Core/Umbraco.Core.csproj
index bb52626750..26a230dbac 100644
--- a/src/Umbraco.Core/Umbraco.Core.csproj
+++ b/src/Umbraco.Core/Umbraco.Core.csproj
@@ -33,9 +33,9 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="log4net, Version=1.2.11.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
+    <Reference Include="log4net, Version=1.2.11.0, Culture=neutral, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\log4net-mediumtrust.2.0.0\lib\net40-full\log4net.dll</HintPath>
+      <HintPath>..\packages\log4net-mediumtrust.2.0.0\lib\log4net.dll</HintPath>
     </Reference>
     <Reference Include="ServiceStack.Text">
       <HintPath>..\packages\ServiceStack.Text.3.9.21\lib\net35\ServiceStack.Text.dll</HintPath>
diff --git a/src/Umbraco.Tests/Umbraco.Tests.csproj b/src/Umbraco.Tests/Umbraco.Tests.csproj
index c151464568..bfa32e3e45 100644
--- a/src/Umbraco.Tests/Umbraco.Tests.csproj
+++ b/src/Umbraco.Tests/Umbraco.Tests.csproj
@@ -50,7 +50,8 @@
   <ItemGroup>
     <Reference Include="Examine, Version=0.1.42.2941, Culture=neutral, processorArchitecture=MSIL" />
     <Reference Include="log4net, Version=1.2.11.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\log4net.2.0.0\lib\net40-full\log4net.dll</HintPath>
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\log4net-mediumtrust.2.0.0\lib\log4net.dll</HintPath>
     </Reference>
     <Reference Include="Lucene.Net, Version=2.9.4.1, Culture=neutral, PublicKeyToken=85089178b9ac3181, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
diff --git a/src/Umbraco.Tests/packages.config b/src/Umbraco.Tests/packages.config
index ea5bd3ccda..7c600c367a 100644
--- a/src/Umbraco.Tests/packages.config
+++ b/src/Umbraco.Tests/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="log4net" version="2.0.0" targetFramework="net40" />
+  <package id="log4net-mediumtrust" version="2.0.0" targetFramework="net40" />
   <package id="NUnit" version="2.6.0.12054" targetFramework="net40" />
   <package id="RhinoMocks" version="3.6.1" targetFramework="net40" />
 </packages>
\ No newline at end of file
diff --git a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
index 02a4fa721f..3bd19eca69 100644
--- a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
+++ b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
@@ -115,9 +115,9 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\lib\ICSharpCode.SharpZipLib.dll</HintPath>
     </Reference>
-    <Reference Include="log4net, Version=1.2.11.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
+    <Reference Include="log4net, Version=1.2.11.0, Culture=neutral, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\packages\log4net.2.0.0\lib\net40-full\log4net.dll</HintPath>
+      <HintPath>..\packages\log4net-mediumtrust.2.0.0\lib\log4net.dll</HintPath>
     </Reference>
     <Reference Include="Lucene.Net, Version=2.9.4.1, Culture=neutral, PublicKeyToken=85089178b9ac3181, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
diff --git a/src/Umbraco.Web.UI/packages.config b/src/Umbraco.Web.UI/packages.config
index 0f88c9a8fb..884e2124fc 100644
--- a/src/Umbraco.Web.UI/packages.config
+++ b/src/Umbraco.Web.UI/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="log4net" version="2.0.0" targetFramework="net40" />
+  <package id="log4net-mediumtrust" version="2.0.0" targetFramework="net40" />
   <package id="Microsoft.AspNet.Mvc" version="3.0.20105.1" targetFramework="net40" />
   <package id="Microsoft.AspNet.Razor" version="1.0.20105.408" targetFramework="net40" />
   <package id="Microsoft.AspNet.WebPages" version="1.0.20105.408" targetFramework="net40" />
diff --git a/src/umbraco.datalayer/packages.config b/src/umbraco.datalayer/packages.config
index f791739a38..757d8a6b53 100644
--- a/src/umbraco.datalayer/packages.config
+++ b/src/umbraco.datalayer/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="log4net" version="2.0.0" targetFramework="net40" />
+  <package id="log4net-mediumtrust" version="2.0.0" targetFramework="net40" />
 </packages>
\ No newline at end of file
diff --git a/src/umbraco.datalayer/umbraco.datalayer.csproj b/src/umbraco.datalayer/umbraco.datalayer.csproj
index 4ed0540d85..3fc0390d0f 100644
--- a/src/umbraco.datalayer/umbraco.datalayer.csproj
+++ b/src/umbraco.datalayer/umbraco.datalayer.csproj
@@ -66,6 +66,10 @@
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
+    <Reference Include="log4net, Version=1.2.11.0, Culture=neutral, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\packages\log4net-mediumtrust.2.0.0\lib\log4net.dll</HintPath>
+    </Reference>
     <Reference Include="Microsoft.ApplicationBlocks.Data, Version=1.0.1559.20655, Culture=neutral">
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\lib\Microsoft.ApplicationBlocks.Data.dll</HintPath>