diff --git a/csharp/client/client.csproj b/csharp/client/client.csproj
index 6345f258..586f8e65 100644
--- a/csharp/client/client.csproj
+++ b/csharp/client/client.csproj
@@ -32,7 +32,7 @@
     <PackageReference Include="Microsoft.Extensions.Configuration" Version="5.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="5.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="5.0.1" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="NLog" Version="4.7.7" />
     <PackageReference Include="NLog.Extensions.Logging" Version="1.7.0" />
     <PackageReference Include="Semver" Version="2.0.6" />
diff --git a/csharp/core/core.csproj b/csharp/core/core.csproj
index bd091dcb..c64376b7 100644
--- a/csharp/core/core.csproj
+++ b/csharp/core/core.csproj
@@ -34,7 +34,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Microsoft.Extensions.Logging" Version="5.0.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="Semver" Version="2.0.6" />
     <PackageReference Include="System.Reflection.Extensions" Version="4.3.0" />
     <PackageReference Include="System.Reflection.TypeExtensions" Version="4.7.0" />