diff --git a/src/SkatteverketMcpServer/SkatteverketMcpServer.csproj b/src/SkatteverketMcpServer/SkatteverketMcpServer.csproj
index 0427366..65ad59a 100644
--- a/src/SkatteverketMcpServer/SkatteverketMcpServer.csproj
+++ b/src/SkatteverketMcpServer/SkatteverketMcpServer.csproj
@@ -9,9 +9,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.0" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="8.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration" Version="10.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="10.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="10.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Http" Version="8.0.0" />
@@ -21,7 +21,7 @@
     <PackageReference Include="Serilog.Extensions.Hosting" Version="8.0.0" />
     <PackageReference Include="Serilog.Sinks.Console" Version="6.0.0" />
     <PackageReference Include="Serilog.Sinks.File" Version="6.0.0" />
-    <PackageReference Include="System.Text.Json" Version="8.0.5" />
+    <PackageReference Include="System.Text.Json" Version="10.0.0" />
     <PackageReference Include="StreamJsonRpc" Version="2.19.27" />
     <PackageReference Include="MessagePack" Version="3.1.4" />
   </ItemGroup>