diff --git a/Oproto.Lambda.OpenApi.SourceGenerator/Oproto.Lambda.OpenApi.SourceGenerator.csproj b/Oproto.Lambda.OpenApi.SourceGenerator/Oproto.Lambda.OpenApi.SourceGenerator.csproj
index 5c97a17..a8509a9 100644
--- a/Oproto.Lambda.OpenApi.SourceGenerator/Oproto.Lambda.OpenApi.SourceGenerator.csproj
+++ b/Oproto.Lambda.OpenApi.SourceGenerator/Oproto.Lambda.OpenApi.SourceGenerator.csproj
@@ -58,7 +58,7 @@
     </PackageReference>
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.8.0" PrivateAssets="all"/>
     <PackageReference Include="Microsoft.OpenApi" Version="1.6.22" PrivateAssets="all" GeneratePathProperty="true"/>
-    <PackageReference Include="System.Text.Json" Version="8.0.0"/>
+    <PackageReference Include="System.Text.Json" Version="10.0.1"/>
   </ItemGroup>
 
   <!-- Copy Microsoft.OpenApi.dll to output for project reference scenarios -->