diff --git a/src/LtiAdvantage/LtiAdvantage.csproj b/src/LtiAdvantage/LtiAdvantage.csproj
index ddccb38..7c9aff8 100644
--- a/src/LtiAdvantage/LtiAdvantage.csproj
+++ b/src/LtiAdvantage/LtiAdvantage.csproj
@@ -24,7 +24,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="9.0.0" />
     <PackageReference Include="MinVer" Version="6.0.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>