diff --git a/tests/TestConsoleApp/TestConsoleApp.csproj b/tests/TestConsoleApp/TestConsoleApp.csproj
index 5bf72ae..8843307 100644
--- a/tests/TestConsoleApp/TestConsoleApp.csproj
+++ b/tests/TestConsoleApp/TestConsoleApp.csproj
@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Text.Json" Version="8.0.5" />
+    <PackageReference Include="System.Text.Json" Version="9.0.10" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/tests/UnitTests/OoplesFinance.YahooFinanceAPI.Tests.Unit.csproj b/tests/UnitTests/OoplesFinance.YahooFinanceAPI.Tests.Unit.csproj
index 7a1807e..a569b5f 100644
--- a/tests/UnitTests/OoplesFinance.YahooFinanceAPI.Tests.Unit.csproj
+++ b/tests/UnitTests/OoplesFinance.YahooFinanceAPI.Tests.Unit.csproj
@@ -17,7 +17,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
     <PackageReference Include="Moq.Contrib.HttpClient" Version="1.4.0" />
     <PackageReference Include="NSubstitute" Version="5.1.0" />
-    <PackageReference Include="System.Text.Json" Version="8.0.5" />
+    <PackageReference Include="System.Text.Json" Version="9.0.10" />
     <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">