diff --git a/Source/Anthropic.Net/Anthropic.Net.csproj b/Source/Anthropic.Net/Anthropic.Net.csproj
index a4e954e..49640f8 100644
--- a/Source/Anthropic.Net/Anthropic.Net.csproj
+++ b/Source/Anthropic.Net/Anthropic.Net.csproj
@@ -13,7 +13,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Http" Version="9.0.0" />
-    <PackageReference Include="System.Text.Json" Version="9.0.0" />
+    <PackageReference Include="System.Text.Json" Version="10.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="9.0.0" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="9.0.0" />
   </ItemGroup>