diff --git a/src/WireMock.Net.AspNetCore.Middleware/WireMock.Net.AspNetCore.Middleware.csproj b/src/WireMock.Net.AspNetCore.Middleware/WireMock.Net.AspNetCore.Middleware.csproj
index e179fb51..8133b3e3 100644
--- a/src/WireMock.Net.AspNetCore.Middleware/WireMock.Net.AspNetCore.Middleware.csproj
+++ b/src/WireMock.Net.AspNetCore.Middleware/WireMock.Net.AspNetCore.Middleware.csproj
@@ -32,6 +32,7 @@
 
     <ItemGroup>
         <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.2" />
+        <PackageReference Include="System.Text.Json" Version="8.0.5" />
     </ItemGroup>
 
     <ItemGroup>
diff --git a/src/WireMock.Net.Shared/WireMock.Net.Shared.csproj b/src/WireMock.Net.Shared/WireMock.Net.Shared.csproj
index 5022a150..977b449d 100644
--- a/src/WireMock.Net.Shared/WireMock.Net.Shared.csproj
+++ b/src/WireMock.Net.Shared/WireMock.Net.Shared.csproj
@@ -62,5 +62,6 @@
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
+        <PackageReference Include="System.Text.Json" Version="8.0.5" />
     </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/test/WireMock.Net.TestWebApplication/WireMock.Net.TestWebApplication.csproj b/test/WireMock.Net.TestWebApplication/WireMock.Net.TestWebApplication.csproj
index acfdf66c..2cc470b9 100644
--- a/test/WireMock.Net.TestWebApplication/WireMock.Net.TestWebApplication.csproj
+++ b/test/WireMock.Net.TestWebApplication/WireMock.Net.TestWebApplication.csproj
@@ -7,6 +7,7 @@
     </PropertyGroup>
 
     <ItemGroup>
+        <PackageReference Include="System.Text.Json" Version="8.0.5" />
         <ProjectReference Include="..\..\src\WireMock.Net.AspNetCore.Middleware\WireMock.Net.AspNetCore.Middleware.csproj" />
     </ItemGroup>