diff --git a/UntisExportService.Core/UntisExportService.Core.csproj b/UntisExportService.Core/UntisExportService.Core.csproj
index 8dcc33b..14ad9a8 100644
--- a/UntisExportService.Core/UntisExportService.Core.csproj
+++ b/UntisExportService.Core/UntisExportService.Core.csproj
@@ -22,7 +22,7 @@
     <PackageReference Include="JsonSubTypes" Version="1.8.0" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="5.0.0" />
     <PackageReference Include="NaturalSort.Extension" Version="3.0.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="Redbus" Version="1.0.8" />
     <PackageReference Include="SchulIT.IccImport" Version="1.2.0" />
     <PackageReference Include="SchulIT.SchildExport" Version="1.1.2" />