diff --git a/src/CardGames.Core/CardGames.Core.csproj b/src/CardGames.Core/CardGames.Core.csproj
index 1fbd1ff..40aaf93 100644
--- a/src/CardGames.Core/CardGames.Core.csproj
+++ b/src/CardGames.Core/CardGames.Core.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Text.Json" Version="8.0.5" />
+    <PackageReference Include="System.Text.Json" Version="9.0.10" />
   </ItemGroup>
 
   <ItemGroup>