diff --git a/src/NzbDrone.Api.Test/NzbDrone.Api.Test.csproj b/src/NzbDrone.Api.Test/NzbDrone.Api.Test.csproj
index a34c07bcc..8bfcbd758 100644
--- a/src/NzbDrone.Api.Test/NzbDrone.Api.Test.csproj
+++ b/src/NzbDrone.Api.Test/NzbDrone.Api.Test.csproj
@@ -50,10 +50,6 @@
       <HintPath>..\packages\FluentAssertions.4.18.0\lib\net40\FluentAssertions.Core.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="Moq, Version=4.2.1510.2205, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
-      <HintPath>..\packages\Moq.4.2.1510.2205\lib\net40\Moq.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
     <Reference Include="nunit.framework, Version=3.5.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
       <HintPath>..\packages\NUnit.3.5.0\lib\net40\nunit.framework.dll</HintPath>
       <Private>True</Private>
@@ -65,6 +61,9 @@
     <Reference Include="System.Xml" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="Microsoft.CSharp" />
+    <Reference Include="Moq">
+      <HintPath>..\packages\Moq.4.0.10827\lib\NET40\Moq.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="ClientSchemaTests\SchemaBuilderFixture.cs" />
diff --git a/src/NzbDrone.Api.Test/packages.config b/src/NzbDrone.Api.Test/packages.config
index ea0ba35b4..941aa9773 100644
--- a/src/NzbDrone.Api.Test/packages.config
+++ b/src/NzbDrone.Api.Test/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="FluentAssertions" version="4.18.0" targetFramework="net40" />
-  <package id="Moq" version="4.2.1510.2205" targetFramework="net40" />
+  <package id="Moq" version="4.0.10827" />
   <package id="NBuilder" version="4.0.0" targetFramework="net40" />
   <package id="NUnit" version="3.5.0" targetFramework="net40" />
 </packages>
\ No newline at end of file
diff --git a/src/NzbDrone.App.Test/NzbDrone.Host.Test.csproj b/src/NzbDrone.App.Test/NzbDrone.Host.Test.csproj
index f907e5b25..49d09814e 100644
--- a/src/NzbDrone.App.Test/NzbDrone.Host.Test.csproj
+++ b/src/NzbDrone.App.Test/NzbDrone.Host.Test.csproj
@@ -49,10 +49,6 @@
       <HintPath>..\packages\FluentAssertions.4.18.0\lib\net40\FluentAssertions.Core.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="Moq, Version=4.2.1510.2205, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
-      <HintPath>..\packages\Moq.4.2.1510.2205\lib\net40\Moq.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
     <Reference Include="NLog, Version=4.0.0.0, Culture=neutral, PublicKeyToken=5120e14c03d0593c, processorArchitecture=MSIL">
       <HintPath>..\packages\NLog.4.4.1\lib\net40\NLog.dll</HintPath>
       <Private>True</Private>
@@ -66,6 +62,9 @@
     <Reference Include="System.ServiceProcess" />
     <Reference Include="System.Xml" />
     <Reference Include="System.Xml.Linq" />
+    <Reference Include="Moq">
+      <HintPath>..\packages\Moq.4.0.10827\lib\NET40\Moq.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="ContainerFixture.cs" />
diff --git a/src/NzbDrone.App.Test/packages.config b/src/NzbDrone.App.Test/packages.config
index cf5592b27..1efb88f74 100644
--- a/src/NzbDrone.App.Test/packages.config
+++ b/src/NzbDrone.App.Test/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="FluentAssertions" version="4.18.0" targetFramework="net40" />
-  <package id="Moq" version="4.2.1510.2205" targetFramework="net40" />
+  <package id="Moq" version="4.0.10827" />
   <package id="NBuilder" version="4.0.0" targetFramework="net40" />
   <package id="NLog" version="4.4.1" targetFramework="net40" />
   <package id="NUnit" version="3.5.0" targetFramework="net40" />
diff --git a/src/NzbDrone.Common.Test/NzbDrone.Common.Test.csproj b/src/NzbDrone.Common.Test/NzbDrone.Common.Test.csproj
index 66b2f7317..d33a221d1 100644
--- a/src/NzbDrone.Common.Test/NzbDrone.Common.Test.csproj
+++ b/src/NzbDrone.Common.Test/NzbDrone.Common.Test.csproj
@@ -45,10 +45,6 @@
       <HintPath>..\packages\FluentAssertions.4.18.0\lib\net40\FluentAssertions.Core.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="Moq, Version=4.2.1510.2205, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
-      <HintPath>..\packages\Moq.4.2.1510.2205\lib\net40\Moq.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
     <Reference Include="NLog, Version=4.0.0.0, Culture=neutral, PublicKeyToken=5120e14c03d0593c, processorArchitecture=MSIL">
       <HintPath>..\packages\NLog.4.4.1\lib\net40\NLog.dll</HintPath>
       <Private>True</Private>
@@ -65,6 +61,9 @@
     <Reference Include="System.Xml" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="Microsoft.CSharp" />
+    <Reference Include="Moq">
+      <HintPath>..\packages\Moq.4.0.10827\lib\NET40\Moq.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="CacheTests\CachedDictionaryFixture.cs" />
diff --git a/src/NzbDrone.Common.Test/packages.config b/src/NzbDrone.Common.Test/packages.config
index 0f531dace..cc617cf4d 100644
--- a/src/NzbDrone.Common.Test/packages.config
+++ b/src/NzbDrone.Common.Test/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="FluentAssertions" version="4.18.0" targetFramework="net40" />
-  <package id="Moq" version="4.2.1510.2205" targetFramework="net40" />
+  <package id="Moq" version="4.0.10827" />
   <package id="NLog" version="4.4.1" targetFramework="net40" />
   <package id="NUnit" version="3.5.0" targetFramework="net40" />
 </packages>
\ No newline at end of file
diff --git a/src/NzbDrone.Core.Test/NzbDrone.Core.Test.csproj b/src/NzbDrone.Core.Test/NzbDrone.Core.Test.csproj
index dc3baed56..c3bb4ca6b 100644
--- a/src/NzbDrone.Core.Test/NzbDrone.Core.Test.csproj
+++ b/src/NzbDrone.Core.Test/NzbDrone.Core.Test.csproj
@@ -80,10 +80,6 @@
       <HintPath>..\packages\Unity.2.1.505.2\lib\NET35\Microsoft.Practices.Unity.Configuration.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="Moq, Version=4.2.1510.2205, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
-      <HintPath>..\packages\Moq.4.2.1510.2205\lib\net40\Moq.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
     <Reference Include="NCrunch.Framework, Version=3.2.0.3, Culture=neutral, PublicKeyToken=01d101bf6f3e0aea, processorArchitecture=MSIL">
       <HintPath>..\packages\NCrunch.Framework.3.2.0.3\lib\NCrunch.Framework.dll</HintPath>
       <Private>True</Private>
@@ -106,6 +102,9 @@
     <Reference Include="System.Xml" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="Microsoft.CSharp" />
+    <Reference Include="Moq, Version=4.0.10827.0, Culture=neutral, PublicKeyToken=69f491c39445e920">
+      <HintPath>..\packages\Moq.4.0.10827\lib\NET40\Moq.dll</HintPath>
+    </Reference>
     <Reference Include="Prowlin">
       <HintPath>..\packages\Prowlin.0.9.4456.26422\lib\net40\Prowlin.dll</HintPath>
     </Reference>
diff --git a/src/NzbDrone.Core.Test/packages.config b/src/NzbDrone.Core.Test/packages.config
index 43aa51424..2371b300c 100644
--- a/src/NzbDrone.Core.Test/packages.config
+++ b/src/NzbDrone.Core.Test/packages.config
@@ -6,7 +6,7 @@
   <package id="FluentMigrator" version="1.6.2" targetFramework="net40" />
   <package id="FluentMigrator.Runner" version="1.6.2" targetFramework="net40" />
   <package id="FluentValidation" version="6.2.1.0" targetFramework="net40" />
-  <package id="Moq" version="4.2.1510.2205" targetFramework="net40" />
+  <package id="Moq" version="4.0.10827" />
   <package id="NBuilder" version="4.0.0" targetFramework="net40" />
   <package id="NCrunch.Framework" version="3.2.0.3" targetFramework="net40" />
   <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net40" />
diff --git a/src/NzbDrone.Integration.Test/NzbDrone.Integration.Test.csproj b/src/NzbDrone.Integration.Test/NzbDrone.Integration.Test.csproj
index 09a081164..e4561030a 100644
--- a/src/NzbDrone.Integration.Test/NzbDrone.Integration.Test.csproj
+++ b/src/NzbDrone.Integration.Test/NzbDrone.Integration.Test.csproj
@@ -64,10 +64,6 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\packages\Microsoft.Owin.Hosting.2.1.0\lib\net40\Microsoft.Owin.Hosting.dll</HintPath>
     </Reference>
-    <Reference Include="Moq, Version=4.2.1510.2205, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
-      <HintPath>..\packages\Moq.4.2.1510.2205\lib\net40\Moq.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
     <Reference Include="Nancy, Version=1.4.2.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\Nancy.1.4.3\lib\net40\Nancy.dll</HintPath>
       <Private>True</Private>
@@ -99,6 +95,9 @@
     <Reference Include="System.Xml" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="Microsoft.CSharp" />
+    <Reference Include="Moq">
+      <HintPath>..\packages\Moq.4.0.10827\lib\NET40\Moq.dll</HintPath>
+    </Reference>
     <Reference Include="Owin">
       <HintPath>..\packages\Owin.1.0\lib\net40\Owin.dll</HintPath>
     </Reference>
diff --git a/src/NzbDrone.Integration.Test/packages.config b/src/NzbDrone.Integration.Test/packages.config
index 74a46db99..f3318330a 100644
--- a/src/NzbDrone.Integration.Test/packages.config
+++ b/src/NzbDrone.Integration.Test/packages.config
@@ -6,7 +6,7 @@
   <package id="Microsoft.Owin" version="2.1.0" targetFramework="net40" />
   <package id="Microsoft.Owin.Host.HttpListener" version="2.1.0" targetFramework="net40" />
   <package id="Microsoft.Owin.Hosting" version="2.1.0" targetFramework="net40" />
-  <package id="Moq" version="4.2.1510.2205" targetFramework="net40" />
+  <package id="Moq" version="4.0.10827" targetFramework="net40" />
   <package id="Nancy" version="1.4.3" targetFramework="net40" />
   <package id="Nancy.Owin" version="1.4.1" targetFramework="net40" />
   <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net40" />
diff --git a/src/NzbDrone.Mono.Test/NzbDrone.Mono.Test.csproj b/src/NzbDrone.Mono.Test/NzbDrone.Mono.Test.csproj
index ac58be74d..ad038409c 100644
--- a/src/NzbDrone.Mono.Test/NzbDrone.Mono.Test.csproj
+++ b/src/NzbDrone.Mono.Test/NzbDrone.Mono.Test.csproj
@@ -62,8 +62,8 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\Libraries\Mono.Posix.dll</HintPath>
     </Reference>
-    <Reference Include="Moq, Version=4.2.1510.2205, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
-      <HintPath>..\packages\Moq.4.2.1510.2205\lib\net40\Moq.dll</HintPath>
+    <Reference Include="Moq, Version=4.0.10827.0, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
+      <HintPath>..\packages\Moq.4.0.10827\lib\NET40\Moq.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="nunit.framework, Version=3.5.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
diff --git a/src/NzbDrone.Mono.Test/packages.config b/src/NzbDrone.Mono.Test/packages.config
index db96f1a92..c2b5ba10f 100644
--- a/src/NzbDrone.Mono.Test/packages.config
+++ b/src/NzbDrone.Mono.Test/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="FluentAssertions" version="4.18.0" targetFramework="net40" />
-  <package id="Moq" version="4.2.1510.2205" targetFramework="net40" />
+  <package id="Moq" version="4.0.10827" targetFramework="net40" />
   <package id="NUnit" version="3.5.0" targetFramework="net40" />
 </packages>
\ No newline at end of file
diff --git a/src/NzbDrone.Test.Common/App.config b/src/NzbDrone.Test.Common/App.config
index d2ac5afac..886337c3a 100644
--- a/src/NzbDrone.Test.Common/App.config
+++ b/src/NzbDrone.Test.Common/App.config
@@ -21,10 +21,6 @@
         <assemblyIdentity name="Microsoft.Practices.Unity" publicKeyToken="31bf3856ad364e35" culture="neutral" />
         <bindingRedirect oldVersion="0.0.0.0-2.1.505.0" newVersion="2.1.505.0" />
       </dependentAssembly>
-      <dependentAssembly>
-        <assemblyIdentity name="Moq" publicKeyToken="69f491c39445e920" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.1510.2205" newVersion="4.2.1510.2205" />
-      </dependentAssembly>
     </assemblyBinding>
   </runtime>
 </configuration>
\ No newline at end of file
diff --git a/src/NzbDrone.Test.Common/NzbDrone.Test.Common.csproj b/src/NzbDrone.Test.Common/NzbDrone.Test.Common.csproj
index 9b54779a7..9b27aef93 100644
--- a/src/NzbDrone.Test.Common/NzbDrone.Test.Common.csproj
+++ b/src/NzbDrone.Test.Common/NzbDrone.Test.Common.csproj
@@ -45,10 +45,6 @@
       <HintPath>..\packages\FluentAssertions.4.18.0\lib\net40\FluentAssertions.Core.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="Moq, Version=4.2.1510.2205, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
-      <HintPath>..\packages\Moq.4.2.1510.2205\lib\net40\Moq.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
     <Reference Include="Newtonsoft.Json, Version=9.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <HintPath>..\packages\Newtonsoft.Json.9.0.1\lib\net40\Newtonsoft.Json.dll</HintPath>
       <Private>True</Private>
@@ -81,6 +77,9 @@
     <Reference Include="Microsoft.Practices.Unity.Configuration">
       <HintPath>..\packages\Unity.2.1.505.2\lib\NET35\Microsoft.Practices.Unity.Configuration.dll</HintPath>
     </Reference>
+    <Reference Include="Moq">
+      <HintPath>..\packages\Moq.4.0.10827\lib\NET40\Moq.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="AutoMoq\AutoMoqer.cs" />
diff --git a/src/NzbDrone.Test.Common/packages.config b/src/NzbDrone.Test.Common/packages.config
index 2e0ea0e40..7cc31b27c 100644
--- a/src/NzbDrone.Test.Common/packages.config
+++ b/src/NzbDrone.Test.Common/packages.config
@@ -2,7 +2,7 @@
 <packages>
   <package id="CommonServiceLocator" version="1.0" />
   <package id="FluentAssertions" version="4.18.0" targetFramework="net40" />
-  <package id="Moq" version="4.2.1510.2205" targetFramework="net40" />
+  <package id="Moq" version="4.0.10827" />
   <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net40" />
   <package id="NLog" version="4.4.1" targetFramework="net40" />
   <package id="NUnit" version="3.5.0" targetFramework="net40" />
diff --git a/src/NzbDrone.Update.Test/NzbDrone.Update.Test.csproj b/src/NzbDrone.Update.Test/NzbDrone.Update.Test.csproj
index df3efaa06..ea3aa9f23 100644
--- a/src/NzbDrone.Update.Test/NzbDrone.Update.Test.csproj
+++ b/src/NzbDrone.Update.Test/NzbDrone.Update.Test.csproj
@@ -49,10 +49,6 @@
       <HintPath>..\packages\FluentAssertions.4.18.0\lib\net40\FluentAssertions.Core.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="Moq, Version=4.2.1510.2205, Culture=neutral, PublicKeyToken=69f491c39445e920, processorArchitecture=MSIL">
-      <HintPath>..\packages\Moq.4.2.1510.2205\lib\net40\Moq.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
     <Reference Include="NLog, Version=4.0.0.0, Culture=neutral, PublicKeyToken=5120e14c03d0593c, processorArchitecture=MSIL">
       <HintPath>..\packages\NLog.4.4.1\lib\net40\NLog.dll</HintPath>
       <Private>True</Private>
@@ -68,6 +64,9 @@
     <Reference Include="System.Xml" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="Microsoft.CSharp" />
+    <Reference Include="Moq">
+      <HintPath>..\packages\Moq.4.0.10827\lib\NET40\Moq.dll</HintPath>
+    </Reference>
   </ItemGroup>
   <ItemGroup>
     <Compile Include="InstallUpdateServiceFixture.cs" />
diff --git a/src/NzbDrone.Update.Test/packages.config b/src/NzbDrone.Update.Test/packages.config
index cf5592b27..1efb88f74 100644
--- a/src/NzbDrone.Update.Test/packages.config
+++ b/src/NzbDrone.Update.Test/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="FluentAssertions" version="4.18.0" targetFramework="net40" />
-  <package id="Moq" version="4.2.1510.2205" targetFramework="net40" />
+  <package id="Moq" version="4.0.10827" />
   <package id="NBuilder" version="4.0.0" targetFramework="net40" />
   <package id="NLog" version="4.4.1" targetFramework="net40" />
   <package id="NUnit" version="3.5.0" targetFramework="net40" />