diff --git a/PiP-Tool.MachineLearning/PiP-Tool.MachineLearning.csproj b/PiP-Tool.MachineLearning/PiP-Tool.MachineLearning.csproj
index 74ea5fc..91a2ca7 100644
--- a/PiP-Tool.MachineLearning/PiP-Tool.MachineLearning.csproj
+++ b/PiP-Tool.MachineLearning/PiP-Tool.MachineLearning.csproj
@@ -82,8 +82,9 @@
     <Reference Include="Microsoft.ML.Transforms, Version=1.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.ML.0.6.0\lib\netstandard2.0\Microsoft.ML.Transforms.dll</HintPath>
     </Reference>
-    <Reference Include="Newtonsoft.Json, Version=10.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>..\packages\Newtonsoft.Json.10.0.3\lib\net45\Newtonsoft.Json.dll</HintPath>
+    <Reference Include="Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed">
+      <HintPath>..\packages\Newtonsoft.Json.13.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Buffers, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
diff --git a/PiP-Tool.MachineLearning/packages.config b/PiP-Tool.MachineLearning/packages.config
index 5504d69..9dec520 100644
--- a/PiP-Tool.MachineLearning/packages.config
+++ b/PiP-Tool.MachineLearning/packages.config
@@ -3,7 +3,7 @@
   <package id="Google.Protobuf" version="3.5.1" targetFramework="net47" />
   <package id="Microsoft.ML" version="0.6.0" targetFramework="net47" />
   <package id="Microsoft.ML.CpuMath" version="0.6.0" targetFramework="net47" />
-  <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net47" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net47" />
   <package id="System.Buffers" version="4.4.0" targetFramework="net47" />
   <package id="System.CodeDom" version="4.4.0" targetFramework="net47" />
   <package id="System.Collections.Immutable" version="1.5.0" targetFramework="net47" />
diff --git a/PiP-Tool.Shared/PiP-Tool.Shared.csproj b/PiP-Tool.Shared/PiP-Tool.Shared.csproj
index b09418c..4264a5a 100644
--- a/PiP-Tool.Shared/PiP-Tool.Shared.csproj
+++ b/PiP-Tool.Shared/PiP-Tool.Shared.csproj
@@ -32,8 +32,9 @@
   </PropertyGroup>
   <PropertyGroup />
   <ItemGroup>
-    <Reference Include="log4net, Version=2.0.8.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
-      <HintPath>..\packages\log4net.2.0.8\lib\net45-full\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="PresentationCore" />
     <Reference Include="System" />
diff --git a/PiP-Tool.Shared/packages.config b/PiP-Tool.Shared/packages.config
index 434da1b..f8cff92 100644
--- a/PiP-Tool.Shared/packages.config
+++ b/PiP-Tool.Shared/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="log4net" version="2.0.8" targetFramework="net47" />
+  <package id="log4net" version="3.3.0" targetFramework="net47" />
 </packages>
\ No newline at end of file
diff --git a/PiP-Tool/App.config b/PiP-Tool/App.config
index a984cb6..185afc5 100644
--- a/PiP-Tool/App.config
+++ b/PiP-Tool/App.config
@@ -15,6 +15,10 @@
                 <assemblyIdentity name="CommonServiceLocator" publicKeyToken="489b6accfaf20ef0" culture="neutral" />
                 <bindingRedirect oldVersion="0.0.0.0-2.0.3.0" newVersion="2.0.3.0" />
             </dependentAssembly>
+            <dependentAssembly>
+                <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
+                <bindingRedirect oldVersion="0.0.0.0-13.0.0.0" newVersion="13.0.0.0" />
+            </dependentAssembly>
         </assemblyBinding>
     </runtime>
     <userSettings>
diff --git a/PiP-Tool/PiP-Tool.csproj b/PiP-Tool/PiP-Tool.csproj
index 87c0f73..37014b8 100644
--- a/PiP-Tool/PiP-Tool.csproj
+++ b/PiP-Tool/PiP-Tool.csproj
@@ -123,8 +123,9 @@
     <Reference Include="Microsoft.ML.Transforms, Version=1.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
       <HintPath>..\packages\Microsoft.ML.0.6.0\lib\netstandard2.0\Microsoft.ML.Transforms.dll</HintPath>
     </Reference>
-    <Reference Include="Newtonsoft.Json, Version=10.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
-      <HintPath>..\packages\Newtonsoft.Json.10.0.3\lib\net45\Newtonsoft.Json.dll</HintPath>
+    <Reference Include="Newtonsoft.Json, Version=13.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed">
+      <HintPath>..\packages\Newtonsoft.Json.13.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="PresentationFramework.Aero2" />
     <Reference Include="System" />
diff --git a/PiP-Tool/packages.config b/PiP-Tool/packages.config
index c86f7de..99833cb 100644
--- a/PiP-Tool/packages.config
+++ b/PiP-Tool/packages.config
@@ -5,7 +5,7 @@
   <package id="Microsoft.ML" version="0.6.0" targetFramework="net47" />
   <package id="Microsoft.ML.CpuMath" version="0.6.0" targetFramework="net47" />
   <package id="MvvmLightLibs" version="5.4.1" targetFramework="net47" />
-  <package id="Newtonsoft.Json" version="10.0.3" targetFramework="net47" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net47" />
   <package id="System.Buffers" version="4.4.0" targetFramework="net47" />
   <package id="System.CodeDom" version="4.4.0" targetFramework="net47" />
   <package id="System.Collections.Immutable" version="1.5.0" targetFramework="net47" />