diff --git a/src/AasxCsharpLibrary/AasxCsharpLibrary.csproj b/src/AasxCsharpLibrary/AasxCsharpLibrary.csproj
index bdd4dcb33..a3c13cd20 100644
--- a/src/AasxCsharpLibrary/AasxCsharpLibrary.csproj
+++ b/src/AasxCsharpLibrary/AasxCsharpLibrary.csproj
@@ -38,7 +38,7 @@
     <PackageReference Include="JetBrains.Annotations" Version="2020.1.0" />
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageReference Include="Namotion.Reflection" Version="1.0.13" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="NJsonSchema" Version="10.1.26" />
     <PackageReference Include="System.ComponentModel.Composition" Version="4.7.0" />
     <PackageReference Include="System.Data.DataSetExtensions" Version="4.5.0" />
diff --git a/src/AasxIntegrationBase/AasxIntegrationBase.csproj b/src/AasxIntegrationBase/AasxIntegrationBase.csproj
index 52e2b9cf6..12d822574 100644
--- a/src/AasxIntegrationBase/AasxIntegrationBase.csproj
+++ b/src/AasxIntegrationBase/AasxIntegrationBase.csproj
@@ -12,6 +12,6 @@
     <ProjectReference Include="..\AnyUi\AnyUi.csproj" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 </Project>
diff --git a/src/AasxIntegrationBaseWpf/AasxIntegrationBaseWpf.csproj b/src/AasxIntegrationBaseWpf/AasxIntegrationBaseWpf.csproj
index 2d5134f41..003bd2cfe 100644
--- a/src/AasxIntegrationBaseWpf/AasxIntegrationBaseWpf.csproj
+++ b/src/AasxIntegrationBaseWpf/AasxIntegrationBaseWpf.csproj
@@ -22,7 +22,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="ExhaustiveMatching.Analyzer" Version="0.5.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
   <ItemGroup>
     <Page Remove="OriginalResources\FormSmaller.xaml" />
diff --git a/src/WpfMtpControl/WpfMtpControl.csproj b/src/WpfMtpControl/WpfMtpControl.csproj
index 0dddce35b..91f977418 100644
--- a/src/WpfMtpControl/WpfMtpControl.csproj
+++ b/src/WpfMtpControl/WpfMtpControl.csproj
@@ -20,7 +20,7 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Aml.Engine" Version="1.3.6" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="OPCFoundation.NetStandard.Opc.Ua" Version="1.4.359.31" />
   </ItemGroup>
 </Project>
diff --git a/src/WpfMtpVisuViewer/WpfMtpVisuViewer.csproj b/src/WpfMtpVisuViewer/WpfMtpVisuViewer.csproj
index cc4bc373f..927ac2e6b 100644
--- a/src/WpfMtpVisuViewer/WpfMtpVisuViewer.csproj
+++ b/src/WpfMtpVisuViewer/WpfMtpVisuViewer.csproj
@@ -29,6 +29,6 @@
     </None>
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 </Project>
diff --git a/src/WpfMtpVisuViewer/packages.config b/src/WpfMtpVisuViewer/packages.config
index 8ab13a902..ce3dc3833 100644
--- a/src/WpfMtpVisuViewer/packages.config
+++ b/src/WpfMtpVisuViewer/packages.config
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="Newtonsoft.Json" version="12.0.3" targetFramework="net461" />
+  <package id="Newtonsoft.Json" version="13.0.1" targetFramework="net461" />
 </packages>
\ No newline at end of file