diff --git a/Protocol/Kvk.Api/Kvk.Api.Wrapper.Tests/Kvk.Api.Wrapper.Tests.csproj b/Protocol/Kvk.Api/Kvk.Api.Wrapper.Tests/Kvk.Api.Wrapper.Tests.csproj
index a8c2586..9a516ca 100644
--- a/Protocol/Kvk.Api/Kvk.Api.Wrapper.Tests/Kvk.Api.Wrapper.Tests.csproj
+++ b/Protocol/Kvk.Api/Kvk.Api.Wrapper.Tests/Kvk.Api.Wrapper.Tests.csproj
@@ -11,7 +11,7 @@
     <PackageReference Include="Moq" Version="4.10.1" />
     <PackageReference Include="MSTest.TestAdapter" Version="1.3.2" />
     <PackageReference Include="MSTest.TestFramework" Version="1.3.2" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="RestSharp" Version="106.6.9" />
   </ItemGroup>
 
diff --git a/Protocol/Kvk.Api/Kvk.Api.Wrapper/Kvk.Api.Wrapper.csproj b/Protocol/Kvk.Api/Kvk.Api.Wrapper/Kvk.Api.Wrapper.csproj
index 6302830..291baf5 100644
--- a/Protocol/Kvk.Api/Kvk.Api.Wrapper/Kvk.Api.Wrapper.csproj
+++ b/Protocol/Kvk.Api/Kvk.Api.Wrapper/Kvk.Api.Wrapper.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="RestSharp" Version="106.6.9" />
   </ItemGroup>