diff --git a/SafeExamBrowser.Browser/Handlers/DisplayHandler.cs b/SafeExamBrowser.Browser/Handlers/DisplayHandler.cs
index 15755f32..40e797d9 100644
--- a/SafeExamBrowser.Browser/Handlers/DisplayHandler.cs
+++ b/SafeExamBrowser.Browser/Handlers/DisplayHandler.cs
@@ -47,6 +47,10 @@ namespace SafeExamBrowser.Browser.Handlers
 		{
 		}
 
+		public void OnLoadingProgressChange(IWebBrowser chromiumWebBrowser, IBrowser browser, double progress)
+		{
+		}
+
 		public void OnStatusMessage(IWebBrowser chromiumWebBrowser, StatusMessageEventArgs statusMessageArgs)
 		{
 		}
diff --git a/SafeExamBrowser.Browser/SafeExamBrowser.Browser.csproj b/SafeExamBrowser.Browser/SafeExamBrowser.Browser.csproj
index 580ece37..489f2bf5 100644
--- a/SafeExamBrowser.Browser/SafeExamBrowser.Browser.csproj
+++ b/SafeExamBrowser.Browser/SafeExamBrowser.Browser.csproj
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\CefSharp.WinForms.71.0.2\build\CefSharp.WinForms.props" Condition="Exists('..\packages\CefSharp.WinForms.71.0.2\build\CefSharp.WinForms.props')" />
-  <Import Project="..\packages\CefSharp.Common.71.0.2\build\CefSharp.Common.props" Condition="Exists('..\packages\CefSharp.Common.71.0.2\build\CefSharp.Common.props')" />
-  <Import Project="..\packages\cef.redist.x86.3.3578.1870\build\cef.redist.x86.props" Condition="Exists('..\packages\cef.redist.x86.3.3578.1870\build\cef.redist.x86.props')" />
-  <Import Project="..\packages\cef.redist.x64.3.3578.1870\build\cef.redist.x64.props" Condition="Exists('..\packages\cef.redist.x64.3.3578.1870\build\cef.redist.x64.props')" />
+  <Import Project="..\packages\CefSharp.WinForms.73.1.130\build\CefSharp.WinForms.props" Condition="Exists('..\packages\CefSharp.WinForms.73.1.130\build\CefSharp.WinForms.props')" />
+  <Import Project="..\packages\CefSharp.Common.73.1.130\build\CefSharp.Common.props" Condition="Exists('..\packages\CefSharp.Common.73.1.130\build\CefSharp.Common.props')" />
+  <Import Project="..\packages\cef.redist.x86.73.1.13\build\cef.redist.x86.props" Condition="Exists('..\packages\cef.redist.x86.73.1.13\build\cef.redist.x86.props')" />
+  <Import Project="..\packages\cef.redist.x64.73.1.13\build\cef.redist.x64.props" Condition="Exists('..\packages\cef.redist.x64.73.1.13\build\cef.redist.x64.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -103,13 +103,13 @@
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\cef.redist.x64.3.3578.1870\build\cef.redist.x64.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\cef.redist.x64.3.3578.1870\build\cef.redist.x64.props'))" />
-    <Error Condition="!Exists('..\packages\cef.redist.x86.3.3578.1870\build\cef.redist.x86.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\cef.redist.x86.3.3578.1870\build\cef.redist.x86.props'))" />
-    <Error Condition="!Exists('..\packages\CefSharp.Common.71.0.2\build\CefSharp.Common.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\CefSharp.Common.71.0.2\build\CefSharp.Common.props'))" />
-    <Error Condition="!Exists('..\packages\CefSharp.Common.71.0.2\build\CefSharp.Common.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\CefSharp.Common.71.0.2\build\CefSharp.Common.targets'))" />
-    <Error Condition="!Exists('..\packages\CefSharp.WinForms.71.0.2\build\CefSharp.WinForms.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\CefSharp.WinForms.71.0.2\build\CefSharp.WinForms.props'))" />
-    <Error Condition="!Exists('..\packages\CefSharp.WinForms.71.0.2\build\CefSharp.WinForms.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\CefSharp.WinForms.71.0.2\build\CefSharp.WinForms.targets'))" />
+    <Error Condition="!Exists('..\packages\cef.redist.x64.73.1.13\build\cef.redist.x64.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\cef.redist.x64.73.1.13\build\cef.redist.x64.props'))" />
+    <Error Condition="!Exists('..\packages\cef.redist.x86.73.1.13\build\cef.redist.x86.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\cef.redist.x86.73.1.13\build\cef.redist.x86.props'))" />
+    <Error Condition="!Exists('..\packages\CefSharp.Common.73.1.130\build\CefSharp.Common.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\CefSharp.Common.73.1.130\build\CefSharp.Common.props'))" />
+    <Error Condition="!Exists('..\packages\CefSharp.Common.73.1.130\build\CefSharp.Common.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\CefSharp.Common.73.1.130\build\CefSharp.Common.targets'))" />
+    <Error Condition="!Exists('..\packages\CefSharp.WinForms.73.1.130\build\CefSharp.WinForms.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\CefSharp.WinForms.73.1.130\build\CefSharp.WinForms.props'))" />
+    <Error Condition="!Exists('..\packages\CefSharp.WinForms.73.1.130\build\CefSharp.WinForms.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\CefSharp.WinForms.73.1.130\build\CefSharp.WinForms.targets'))" />
   </Target>
-  <Import Project="..\packages\CefSharp.Common.71.0.2\build\CefSharp.Common.targets" Condition="Exists('..\packages\CefSharp.Common.71.0.2\build\CefSharp.Common.targets')" />
-  <Import Project="..\packages\CefSharp.WinForms.71.0.2\build\CefSharp.WinForms.targets" Condition="Exists('..\packages\CefSharp.WinForms.71.0.2\build\CefSharp.WinForms.targets')" />
+  <Import Project="..\packages\CefSharp.Common.73.1.130\build\CefSharp.Common.targets" Condition="Exists('..\packages\CefSharp.Common.73.1.130\build\CefSharp.Common.targets')" />
+  <Import Project="..\packages\CefSharp.WinForms.73.1.130\build\CefSharp.WinForms.targets" Condition="Exists('..\packages\CefSharp.WinForms.73.1.130\build\CefSharp.WinForms.targets')" />
 </Project>
\ No newline at end of file
diff --git a/SafeExamBrowser.Browser/packages.config b/SafeExamBrowser.Browser/packages.config
index e5b3b512..a991a14d 100644
--- a/SafeExamBrowser.Browser/packages.config
+++ b/SafeExamBrowser.Browser/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="cef.redist.x64" version="3.3578.1870" targetFramework="net472" />
-  <package id="cef.redist.x86" version="3.3578.1870" targetFramework="net472" />
-  <package id="CefSharp.Common" version="71.0.2" targetFramework="net472" />
-  <package id="CefSharp.WinForms" version="71.0.2" targetFramework="net472" />
+  <package id="cef.redist.x64" version="73.1.13" targetFramework="net472" />
+  <package id="cef.redist.x86" version="73.1.13" targetFramework="net472" />
+  <package id="CefSharp.Common" version="73.1.130" targetFramework="net472" />
+  <package id="CefSharp.WinForms" version="73.1.130" targetFramework="net472" />
 </packages>
\ No newline at end of file
diff --git a/SafeExamBrowser.Client.UnitTests/SafeExamBrowser.Client.UnitTests.csproj b/SafeExamBrowser.Client.UnitTests/SafeExamBrowser.Client.UnitTests.csproj
index a1f663eb..a361f511 100644
--- a/SafeExamBrowser.Client.UnitTests/SafeExamBrowser.Client.UnitTests.csproj
+++ b/SafeExamBrowser.Client.UnitTests/SafeExamBrowser.Client.UnitTests.csproj
@@ -57,7 +57,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Castle.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=407dd0808d44fbdc, processorArchitecture=MSIL">
-      <HintPath>..\packages\Castle.Core.4.3.1\lib\net45\Castle.Core.dll</HintPath>
+      <HintPath>..\packages\Castle.Core.4.4.0\lib\net45\Castle.Core.dll</HintPath>
     </Reference>
     <Reference Include="Microsoft.VisualStudio.TestPlatform.TestFramework, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\MSTest.TestFramework.1.4.0\lib\net45\Microsoft.VisualStudio.TestPlatform.TestFramework.dll</HintPath>
diff --git a/SafeExamBrowser.Client.UnitTests/packages.config b/SafeExamBrowser.Client.UnitTests/packages.config
index f808c9d5..bfb90b7b 100644
--- a/SafeExamBrowser.Client.UnitTests/packages.config
+++ b/SafeExamBrowser.Client.UnitTests/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Castle.Core" version="4.3.1" targetFramework="net472" />
+  <package id="Castle.Core" version="4.4.0" targetFramework="net472" />
   <package id="Moq" version="4.10.1" targetFramework="net472" />
   <package id="MSTest.TestAdapter" version="1.4.0" targetFramework="net472" />
   <package id="MSTest.TestFramework" version="1.4.0" targetFramework="net472" />
diff --git a/SafeExamBrowser.Communication.UnitTests/SafeExamBrowser.Communication.UnitTests.csproj b/SafeExamBrowser.Communication.UnitTests/SafeExamBrowser.Communication.UnitTests.csproj
index bc2044eb..e3e6cdfc 100644
--- a/SafeExamBrowser.Communication.UnitTests/SafeExamBrowser.Communication.UnitTests.csproj
+++ b/SafeExamBrowser.Communication.UnitTests/SafeExamBrowser.Communication.UnitTests.csproj
@@ -59,7 +59,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Castle.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=407dd0808d44fbdc, processorArchitecture=MSIL">
-      <HintPath>..\packages\Castle.Core.4.3.1\lib\net45\Castle.Core.dll</HintPath>
+      <HintPath>..\packages\Castle.Core.4.4.0\lib\net45\Castle.Core.dll</HintPath>
     </Reference>
     <Reference Include="Microsoft.VisualStudio.TestPlatform.TestFramework, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\MSTest.TestFramework.1.4.0\lib\net45\Microsoft.VisualStudio.TestPlatform.TestFramework.dll</HintPath>
@@ -96,7 +96,9 @@
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />
-    <None Include="packages.config" />
+    <None Include="packages.config">
+      <SubType>Designer</SubType>
+    </None>
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\SafeExamBrowser.Communication\SafeExamBrowser.Communication.csproj">
diff --git a/SafeExamBrowser.Communication.UnitTests/packages.config b/SafeExamBrowser.Communication.UnitTests/packages.config
index f808c9d5..bfb90b7b 100644
--- a/SafeExamBrowser.Communication.UnitTests/packages.config
+++ b/SafeExamBrowser.Communication.UnitTests/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Castle.Core" version="4.3.1" targetFramework="net472" />
+  <package id="Castle.Core" version="4.4.0" targetFramework="net472" />
   <package id="Moq" version="4.10.1" targetFramework="net472" />
   <package id="MSTest.TestAdapter" version="1.4.0" targetFramework="net472" />
   <package id="MSTest.TestFramework" version="1.4.0" targetFramework="net472" />
diff --git a/SafeExamBrowser.Configuration.UnitTests/SafeExamBrowser.Configuration.UnitTests.csproj b/SafeExamBrowser.Configuration.UnitTests/SafeExamBrowser.Configuration.UnitTests.csproj
index 0c68da42..6ce0cf1e 100644
--- a/SafeExamBrowser.Configuration.UnitTests/SafeExamBrowser.Configuration.UnitTests.csproj
+++ b/SafeExamBrowser.Configuration.UnitTests/SafeExamBrowser.Configuration.UnitTests.csproj
@@ -59,7 +59,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Castle.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=407dd0808d44fbdc, processorArchitecture=MSIL">
-      <HintPath>..\packages\Castle.Core.4.3.1\lib\net45\Castle.Core.dll</HintPath>
+      <HintPath>..\packages\Castle.Core.4.4.0\lib\net45\Castle.Core.dll</HintPath>
     </Reference>
     <Reference Include="Microsoft.VisualStudio.TestPlatform.TestFramework, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\MSTest.TestFramework.1.4.0\lib\net45\Microsoft.VisualStudio.TestPlatform.TestFramework.dll</HintPath>
diff --git a/SafeExamBrowser.Configuration.UnitTests/packages.config b/SafeExamBrowser.Configuration.UnitTests/packages.config
index f808c9d5..bfb90b7b 100644
--- a/SafeExamBrowser.Configuration.UnitTests/packages.config
+++ b/SafeExamBrowser.Configuration.UnitTests/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Castle.Core" version="4.3.1" targetFramework="net472" />
+  <package id="Castle.Core" version="4.4.0" targetFramework="net472" />
   <package id="Moq" version="4.10.1" targetFramework="net472" />
   <package id="MSTest.TestAdapter" version="1.4.0" targetFramework="net472" />
   <package id="MSTest.TestFramework" version="1.4.0" targetFramework="net472" />
diff --git a/SafeExamBrowser.Core.UnitTests/SafeExamBrowser.Core.UnitTests.csproj b/SafeExamBrowser.Core.UnitTests/SafeExamBrowser.Core.UnitTests.csproj
index 95d87172..4d9b6c2d 100644
--- a/SafeExamBrowser.Core.UnitTests/SafeExamBrowser.Core.UnitTests.csproj
+++ b/SafeExamBrowser.Core.UnitTests/SafeExamBrowser.Core.UnitTests.csproj
@@ -57,7 +57,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Castle.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=407dd0808d44fbdc, processorArchitecture=MSIL">
-      <HintPath>..\packages\Castle.Core.4.3.1\lib\net45\Castle.Core.dll</HintPath>
+      <HintPath>..\packages\Castle.Core.4.4.0\lib\net45\Castle.Core.dll</HintPath>
     </Reference>
     <Reference Include="Microsoft.VisualStudio.TestPlatform.TestFramework, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\MSTest.TestFramework.1.4.0\lib\net45\Microsoft.VisualStudio.TestPlatform.TestFramework.dll</HintPath>
@@ -106,7 +106,9 @@
     <None Include="app.config">
       <SubType>Designer</SubType>
     </None>
-    <None Include="packages.config" />
+    <None Include="packages.config">
+      <SubType>Designer</SubType>
+    </None>
   </ItemGroup>
   <Import Project="$(VSToolsPath)\TeamTest\Microsoft.TestTools.targets" Condition="Exists('$(VSToolsPath)\TeamTest\Microsoft.TestTools.targets')" />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
diff --git a/SafeExamBrowser.Core.UnitTests/packages.config b/SafeExamBrowser.Core.UnitTests/packages.config
index f808c9d5..bfb90b7b 100644
--- a/SafeExamBrowser.Core.UnitTests/packages.config
+++ b/SafeExamBrowser.Core.UnitTests/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Castle.Core" version="4.3.1" targetFramework="net472" />
+  <package id="Castle.Core" version="4.4.0" targetFramework="net472" />
   <package id="Moq" version="4.10.1" targetFramework="net472" />
   <package id="MSTest.TestAdapter" version="1.4.0" targetFramework="net472" />
   <package id="MSTest.TestFramework" version="1.4.0" targetFramework="net472" />
diff --git a/SafeExamBrowser.I18n.UnitTests/SafeExamBrowser.I18n.UnitTests.csproj b/SafeExamBrowser.I18n.UnitTests/SafeExamBrowser.I18n.UnitTests.csproj
index 607e824d..f26a520f 100644
--- a/SafeExamBrowser.I18n.UnitTests/SafeExamBrowser.I18n.UnitTests.csproj
+++ b/SafeExamBrowser.I18n.UnitTests/SafeExamBrowser.I18n.UnitTests.csproj
@@ -59,7 +59,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Castle.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=407dd0808d44fbdc, processorArchitecture=MSIL">
-      <HintPath>..\packages\Castle.Core.4.3.1\lib\net45\Castle.Core.dll</HintPath>
+      <HintPath>..\packages\Castle.Core.4.4.0\lib\net45\Castle.Core.dll</HintPath>
     </Reference>
     <Reference Include="Microsoft.VisualStudio.TestPlatform.TestFramework, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\MSTest.TestFramework.1.4.0\lib\net45\Microsoft.VisualStudio.TestPlatform.TestFramework.dll</HintPath>
diff --git a/SafeExamBrowser.I18n.UnitTests/packages.config b/SafeExamBrowser.I18n.UnitTests/packages.config
index f808c9d5..bfb90b7b 100644
--- a/SafeExamBrowser.I18n.UnitTests/packages.config
+++ b/SafeExamBrowser.I18n.UnitTests/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Castle.Core" version="4.3.1" targetFramework="net472" />
+  <package id="Castle.Core" version="4.4.0" targetFramework="net472" />
   <package id="Moq" version="4.10.1" targetFramework="net472" />
   <package id="MSTest.TestAdapter" version="1.4.0" targetFramework="net472" />
   <package id="MSTest.TestFramework" version="1.4.0" targetFramework="net472" />
diff --git a/SafeExamBrowser.Logging.UnitTests/SafeExamBrowser.Logging.UnitTests.csproj b/SafeExamBrowser.Logging.UnitTests/SafeExamBrowser.Logging.UnitTests.csproj
index a954f423..be5e90fb 100644
--- a/SafeExamBrowser.Logging.UnitTests/SafeExamBrowser.Logging.UnitTests.csproj
+++ b/SafeExamBrowser.Logging.UnitTests/SafeExamBrowser.Logging.UnitTests.csproj
@@ -59,7 +59,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Castle.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=407dd0808d44fbdc, processorArchitecture=MSIL">
-      <HintPath>..\packages\Castle.Core.4.3.1\lib\net45\Castle.Core.dll</HintPath>
+      <HintPath>..\packages\Castle.Core.4.4.0\lib\net45\Castle.Core.dll</HintPath>
     </Reference>
     <Reference Include="Microsoft.VisualStudio.TestPlatform.TestFramework, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\MSTest.TestFramework.1.4.0\lib\net45\Microsoft.VisualStudio.TestPlatform.TestFramework.dll</HintPath>
diff --git a/SafeExamBrowser.Logging.UnitTests/packages.config b/SafeExamBrowser.Logging.UnitTests/packages.config
index f808c9d5..bfb90b7b 100644
--- a/SafeExamBrowser.Logging.UnitTests/packages.config
+++ b/SafeExamBrowser.Logging.UnitTests/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Castle.Core" version="4.3.1" targetFramework="net472" />
+  <package id="Castle.Core" version="4.4.0" targetFramework="net472" />
   <package id="Moq" version="4.10.1" targetFramework="net472" />
   <package id="MSTest.TestAdapter" version="1.4.0" targetFramework="net472" />
   <package id="MSTest.TestFramework" version="1.4.0" targetFramework="net472" />
diff --git a/SafeExamBrowser.Runtime.UnitTests/SafeExamBrowser.Runtime.UnitTests.csproj b/SafeExamBrowser.Runtime.UnitTests/SafeExamBrowser.Runtime.UnitTests.csproj
index 32af7e9c..13d95911 100644
--- a/SafeExamBrowser.Runtime.UnitTests/SafeExamBrowser.Runtime.UnitTests.csproj
+++ b/SafeExamBrowser.Runtime.UnitTests/SafeExamBrowser.Runtime.UnitTests.csproj
@@ -57,7 +57,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Castle.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=407dd0808d44fbdc, processorArchitecture=MSIL">
-      <HintPath>..\packages\Castle.Core.4.3.1\lib\net45\Castle.Core.dll</HintPath>
+      <HintPath>..\packages\Castle.Core.4.4.0\lib\net45\Castle.Core.dll</HintPath>
     </Reference>
     <Reference Include="Microsoft.VisualStudio.TestPlatform.TestFramework, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>..\packages\MSTest.TestFramework.1.4.0\lib\net45\Microsoft.VisualStudio.TestPlatform.TestFramework.dll</HintPath>
diff --git a/SafeExamBrowser.Runtime.UnitTests/packages.config b/SafeExamBrowser.Runtime.UnitTests/packages.config
index f808c9d5..bfb90b7b 100644
--- a/SafeExamBrowser.Runtime.UnitTests/packages.config
+++ b/SafeExamBrowser.Runtime.UnitTests/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Castle.Core" version="4.3.1" targetFramework="net472" />
+  <package id="Castle.Core" version="4.4.0" targetFramework="net472" />
   <package id="Moq" version="4.10.1" targetFramework="net472" />
   <package id="MSTest.TestAdapter" version="1.4.0" targetFramework="net472" />
   <package id="MSTest.TestFramework" version="1.4.0" targetFramework="net472" />