diff --git a/samples/src/Cache/Aspects.Cache.csproj b/samples/src/Cache/Aspects.Cache.csproj
old mode 100755
new mode 100644
index fab691f..7839d48
--- a/samples/src/Cache/Aspects.Cache.csproj
+++ b/samples/src/Cache/Aspects.Cache.csproj
@@ -15,7 +15,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Caching.Abstractions" Version="3.1.22" />
     <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="3.1.22" />
-    <PackageReference Include="System.Text.Json" Version="4.7.2" />
+    <PackageReference Include="System.Text.Json" Version="8.0.4" />
   </ItemGroup>
 
 </Project>